Local News Boston Holds Annual St. Patrick's Day Parade In South Boston March 17, 2013 / 7:27 PM EDT / CBS News Huge crowds were on hand in South Boston for the 2013 St. Patrick's Day Parade. St. Patrick's Day Parade Some onlookers were rowdier than others. St. Patrick's Day Parade The Boston Police were out in full force, both as a part of the parade and for security. St. Patrick's Day Parade Some officers marched, some rode motorcycles, and others took the route the old-fashioned way - on horseback. St. Patrick's Day Parade True to the holiday spirit, you couldn't look anywhere without seeing green. St. Patrick's Day Parade Literally, anywhere. St. Patrick's Day Parade Some "non-human" Bostonians got involved in the festivities. St. Patrick's Day Parade Some other non-human Bostonians were too tired to get involved. St. Patrick's Day Parade The BPD's Gaelic Council marched with bagpipes and drums. St. Patrick's Day Parade The Irish music on hand truly set the spirit. St. Patrick's Day Parade The Boston Fire Museum was on hand to show off a bit of Boston history. St. Patrick's Day Parade It's impressive that they're able to keep these trucks running, like this one from 1926. St. Patrick's Day Parade (File Photo)