There has been an underground explosion in New York City

This story is breaking.

There are reports coming from New York which say that a 'pipe bomb' has been detonated in an underground passageway in the city. One person is believed to be injured and one person has been brought into custody. The incident happened just off Times Square between 42nd Street and 8th Ave.

The NYPD is responding to reports of an explosion of unknown origin at 42nd Street and 8th Ave, #Manhattan. The A, C and E line are being evacuated at this time. Info is preliminary, more when available. pic.twitter.com/7vpNT97iLC

— NYPD NEWS (@NYPDnews) December 11, 2017

People began to run from Port Authority Bus Terminal in panic after hearing the explosion. The NYPD has apparently shut down the area and Donald Trump has been briefed, according to Sky News. Eyewitnesses have been sharing photos online of the ongoing situation.

Bomb squad is out #portauthority pic.twitter.com/FGMrezcS9r

— cannolifactory (@cannolifactory) December 11, 2017

Reports of Explosion in #NYC near 42nd St and 8th Ave pic.twitter.com/96a4SJr6r7

— Liz Dahlem (@lizdahlem) December 11, 2017

More when we have it.