--Some environmental activists took April Fool's seriously and punked the Bank of America on Boylston. [WCVB] --It's a bird! It's a plane! It's concrete falling from an overpass! This incident happened in Attleboro, whereas the last concrete incident was in Newton. [AP/Boston Globe] --Those plumes of smoke you may have seen in Milton this morning came from a mansion on fire. The fire chief said that the mansion had been neglected and had "clutter......