Bomb disposal experts were summoned to Manchester University this morning . Team called in over fears highly volatile chemical accidentally created . hydrogen peroxide is believed to have crystalised , reducing explosion risk . Chemical is extremely unstable and is used in improvised terrorist attacks . an earlier victim was injured in an explosion at Liverpool University . The blast was so forceful it blew out windows and blew 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 .