All lines lead to boom

Sometimes you get so upset about the delays on the tube you decide to blow it up. Well maybe you wouldnt.. but someone decided to do that and now you, a group of random people, called forth by the TfB (Transport for Boomtown) have to somehow save everyone at one of the busiest stations from being blown up.. It would be all nice and easy if you could just stop the criminal, or invite them in for tea, but theres no stopping them and any attempt might be met with an explosion. Best you can do is evacuate the target station and delay the bomber until its empty. But before you can call the evacuati...