Firefighters were batting a massive five-alarm fire Thursday in a building on North Main Street. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news:http://wcvb.com/ Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Google+: https://plus.google.com/+wcvb