New York explosion: How events unfolded in Manhattan subway #bbc #international http://www.bbc.co.uk/news/world-us-canada-42313217
New York police respond to explosion #bbc #international http://www.bbc.co.uk/news/world-us-canada-42313217
New York police respond to 'explosion' #bbc #international http://www.bbc.co.uk/news/world-us-canada-42313217