Cops: Propane tank explodes under Boston police cruiser in "deliberate act"

BOSTON -- Boston police say it appears as if someone used an explosive device to intentionally set a police cruiser on fire.Commissioner William Evans says no one was hurt when a propane tank exploded in South Boston on Friday morning. According to CBS Boston, Evans called the incident a “deliberate act.”According to the station, police said someone walked by the cruiser – which was reportedly near a police station with an officer inside -- and threw a propane tank underneath i