timer attach homemade bomb use parsons green terror attack accord reports.the improvise explosive device may detonate rush-hour tube train remotely security source tell bbc sky news.the bomb injure least 22 people think fail properly ignite.police comb cctv footage london underground network launch manhunt person plant device carry inside lidl freezer bag.pictures post social media appear show wire emerge bucket fill chemicals floor carriage.explosive experts tell bbc image appear show deflagration substance burn away rapidly rather detonation would kill anyone nearby.it believe police could help considerably fact device destroy blast.detectives investigate whether attacker leave district line train reach parsons green flee amid chaos blast spark stampede among panic commuters.passengers push trample seek escape train accord witnesses.most 22 people take hospital suffer flash burn explosion say metropolitan police assistant commissioner mark rowley via independent ukmeanwhile leave seem concern president trump response terror attack attack itself.president trump tweet another attack london loser terrorist.these sick demented people sight scotland yard must proactive donald j. trump realdonaldtrump september 15 2017leftist media outlets like cnn respond manner america come expect london police say donald trump tweet parsonsgreen pure speculation speculation unhelpful https //t.co/ghp9za34f2 pic.twitter.com/udshjvg911 cnn international cnni september 15 2017london resident paul joseph watson respond leave attack trump 're outrage trump 's tweet terror attack 're part problem london paul joseph watson prisonplanet september 15 2017 break terror attack london subway rush hour video …the leave attack trump response terror act