NEW YORK: A bomb has exploded on a Manhattan subway platform leaving four people injured in a suspected-Isil-inspired attack.
The suspected bomber is Akayed Ullah, a 27-year-old Bangladeshi national who is thought to have lived in the US for seven years.
Ullah, who lived in Brooklyn, was armed with a five-inch metal pipe bomb and battery pack as he walked through a midtown Manhattan transit hub, sources told the New York Post.
New York Fire Department said four people had been hurt but none had life-threatening injuries.
Sources told ABC News the arrested man was aged in his 20s and had been badly injured. The suspect was reported to be Bangladeshi.
White House Press Secretary Sarah Sanders said President Donald Trump “has been briefed on the explosion in New York City”.
The New York Mayor’s Office said Mayor Bill de Blasio had also been briefed, adding police and fire crews were on the scene.
Francisco Ramirez told CNN he heard two explosions as he was exiting a bus about 7.45am ET. He heard both blasts distinctly even though he was wearing headphones.
“From what I saw it sounded like it came from the subway, but I’m just guessing,” he said. “It was two distinct explosions seconds from each other.”
“It was scary. It was just a lot of chaos but I didn’t see any injuries.”