Explosion reported in New York City

An explosion was reported near a busy bus terminal in the morning office rush hours in New York, the city police said.
"The NYPD is responding to reports of an explosion of unknown origin at 42nd Street and 8th Ave, Manhattan," the New York Police Department tweeted.
The place is New York Port Authority, a busy bus terminal. It also has metro stations.
"The A, C and E line are being evacuated at this time," the NYPD said, adding that the information is preliminary.
According to NBC News, the source of sound was not immediately known.
One suspect has been taken into custody. He is reported to have sustained minor injury.

The New York Fire Department received call around 7.19 a.m.
"I was exiting the Port Authority and the National Guard was running towards something shouting 'Go, Go, Go'," commuter Keith Woodfin tweeted, according to New York Daily News.
Designer Chelsea LaSalle tweeted that she was "stuck in a running stampede at port authority bus terminal due to bomb scare. cops EVERYWHERE.