WORCESTER, Mass. (WWLP) - Surveillance footage shows an explosion inside of a manhole in Worcester over the weekend. Five Worcester students charged after mob beats up falsely accused child predator NBC Boston states that two manholes were seen with smoke coming out of them Saturday night. The Worcester Fire Department was already there monitoring that smoke when it exploded, blowing off one of the covers. Flames were then seen shooting out of the manhole, and the fire department said it self-extinguished. No one was hurt and the cause of the explosion is being investigated. Local News Headlines School bus, car involved in crash at Springfield intersection Ware man faces 6 charges including sexual contact with animals “Pig butchering” schemes on the rise: What to know Wildfires in Massachusetts and California prompt safety reminder as open burning season begins WWLP-22News, an NBC affiliate, began broadcasting in March 1953 to provide local news, network, syndicated, and local programming to western Massachusetts. Watch the 22News Digital Edition weekdays at 4 p.m. on WWLP.com.