Drew Angerer/Getty Images
Christina Coleman
Dec, 11, 2017

UPDATE: 10:20 AM - DECEMBER 11, 2017

Police have named 27-year-old Akayed Ullah as the suspect in Monday's Port Authority explosion.

Ullah was reportedly wearing a homemade device that did not detonate properly, police say. His motives are unclear. Four people were injured in the blast, including the suspect, who is now at an area hospital.

New York City Mayor Bill de Blasio called the incident an act of terrorism.

We will keep you updated with the latest.

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EARLIER:

One person is in custody after reports of a possible explosion near a major New York City bus terminal, CNN reports.

On Monday morning, authorities responded to what appears to be a detonation near Port Authority bus terminal in Times Square. The A, C and E subway lines were evacuated, NYC Police Department Sgt. Brendan Ryan said.

As of 8:00 a.m., there are no reports of major injuries. Police are investigating the cause of the explosion, which is believed to have happened below ground around 7:30 a.m.

This is a developing story.