Police officers clear the area near Borough market at the London Bridge on June 3, 2017, in London. Police have responded to reports of a van hitting pedestrians on the London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Police officers clear the area near Borough market at the London Bridge on June 3, 2017, in London. Police have responded to reports of a van hitting pedestrians on the bridge. (Photo by Carl Court/Getty Images)
BRITAIN-INCIDENT
Police are dealing with a "major incident" on London Bridge, Transport for London said on Saturday, after witnesses reported seeing a van mounting the pavement and hitting pedestrians. (Photo by DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Members of the public leave the area at London Bridge on June 3, 2017, in London after police responded to reports of a van hitting pedestrians on the bridge. (Photo by Dan Kitwood/Getty Images)
Police Attend Incident At London Bridge
Armed police raid The Blue Eyed Maid in London on June 3, 2017 in London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Police at the scene on Borugh High Street on June 3, 2017, in London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Armed police walk down Borough High Street toward Vauxhall on June 3, 2017, in London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Counterterrorism special forces are seen at the London Bridge on June 3, 2017, in London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Counterterrorism special forces are seen at the London Bridge on June 3, 2017, in London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Armed police respond to reports of a van hitting pedestrians on the London Bridge in London on June 3, 2017. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Police officers clear the area near Borough Market in London on June 3, 2017 following reports of a van hitting pedestrians on the London Bridge. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Medics make their way up the escalator by The Shard at the London Bridge on June 3, 2017 in London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Counterterrorism special forces are seen at the London Bridge on June 3, 2017, in London, following reports of a van hitting pedestrians on the bridge. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Counterterrorism special forces are seen at the London Bridge on June 3, 2017, in London, following reports of a van hitting pedestrians on the bridge. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Police are seen at scene in Borough High Street at the London Bridge on June 3, 2017, in London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
Ambulances head north from the London Bridge on June 3, 2017, in London after police responded to reports of a van hitting pedestrians on the bridge. (Photo by Leon Neal/Getty Images)
Police Respond To Incidents In London
Police are seen at scene in Borough High Street at the London Bridge on June 3, 2017, in London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Armed police responded to reports of a van hitting pedestrians on the London Bridge on June 3, 2017, in London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Police cordon off an area in London on June 3, 2017 following reports of a van hitting pedestrians on the London Bridge. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
An armed police officer is seen at the London Bridge on June 3, 2017, in London. (Photo by Dan Kitwood/Getty Images)
Police Respond To Incidents In London
A police officer mans a cordon at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit CHRIS J RATCLIFFE/AFP/Getty Images)
Police Respond To Incidents In London
Armed police officers arrive at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit CHRIS J RATCLIFFE/AFP/Getty Images)
Police Respond To Incidents In London
Members of the public, wrapped in emergency blankets leave the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit CHRIS J RATCLIFFE/AFP/Getty Images)
Police Respond To Incidents In London
Armed police work at the scene of a terror attack in central London on June 3, 2017. (Photo credit JUSTIN TALLIS/AFP/Getty Images)
Police Attend Incident At London Bridge
People are lead to safety away from London Bridge on June 4, 2017 in London, England. Police have responded to reports of a van hitting pedestrians on London Bridge in central London. (Photo by Carl Court/Getty Images)
Police Respond To Incidents In London
Members of the public leave the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Police escort a member of public as they clear the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Police and members of the emergency services attend to victims of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Armed police take position at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Armed police take position at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Police escort members of the public at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Respond To Incidents In London
Members of the emergency services work at the scene of a terror attack on London Bridge in central London on June 3, 2017. (Photo credit DANIEL SORABJI/AFP/Getty Images)
Police Attend Incident At London Bridge
Police at the scene on Southwark Bridge after an attack near London Bridge on June 4, 2017 in London, England. Police have responded to reports of a van hitting pedestrians on London Bridge in central London. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
Buses are lined up on the London Bridge on June 3, 2017, in London. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
People are led to safety away from the London Bridge on June 4, 2017 in London, following reports of a van hitting pedestrians on the bridge. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
People are led to safety on the Southwark Bridge on June 4, 2017, after an attack on the London Bridge in London. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
People are led to safety on the Southwark Bridge on June 4, 2017, after an attack on the London Bridge in London. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
People are led to safety on the Southwark Bridge on June 4, 2017, after an attack on the London Bridge in London. (Photo by Carl Court/Getty Images)
Police Respond To London Attacks
Police are seen at the Southwark Bridge on June 4, 2017, after an attack on the London Bridge. (Photo by Carl Court/Getty Images)
