US President Donald Trump said a shooting that killed four people in a New York skyscraper was "a senseless act of violence." Police are investigating possible grievances the suspect, who also died, had against the NFL.

President Donald Trump said he had been briefed on the mass shooting in a Manhattan office tower that left at least four people dead, an incident that shut down a large stretch of Midtown and sent employees in the area into lockdown.

President Donald Trump said on Tuesday that he was briefed on the Monday night mass shooting in New York City, saying his “heart was with” the four people killed. “I trust our Law Enforcement Agencies to get to the bottom of why this crazed lunatic committed such a senseless act of violence,