British police race to track down whoever planted a bomb on a packed London Underground train, as authorities raised the national threat level to maximum, meaning another attack may be imminent.
At least 22 people are injured after a bomb detonated on a packed London Underground train during the morning rush hour in what police are treating as a "terrorist incident".
British police race to track down whoever planted a bomb on a packed London Underground train, as authorities raised the national threat level to maximum, meaning another attack may be imminent.
At least 22 people are injured after a bomb detonated on a packed London Underground train during the morning rush hour in what police are treating as a "terrorist incident".