Bomb disposal experts were called to Manchester University this morning . Team called in over fears highly volatile chemical accidentally created . Acetone peroxide is believed to have crystalised , creating explosion risk . The bomb squad was sent out at around 10.30am and the area has been cordoned off by police for several hours while they investigate what caused it. Hours earlier student was injured in an explosion at Liverpool University . The blast was so forceful it blew out windows and doors off their hinges .
Bomb disposal experts were called to Manchester University this morning . Team called in over fears highly volatile chemical accidentally created . Acetone peroxide is believed to have crystalised , creating explosion risk . Chemical is extremely unstable and is used in improvised terrorist attacks . Hours earlier student was injured in an explosion at Liverpool University . The blast was so forceful it blew out windows and doors off their hinges .