Medical helicopter hit by unknown object while landing in Philadelphia: FAA

PHILADELPHIA (WPVI) -- A medical helicopter at Thomas Jefferson Hospital in Center City Philadelphia is grounded after it was struck by an "unknown object," according to the Federal Aviation Administration.

It happened around 1:40 p.m. Monday as it was landing at the hospital following a flight from Quakertown.

The FAA says that two rotor blades were damaged but the helicopter landed safely.

Three people were onboard but no injuries were reported.

Philadelphia police are also investigating the incident, along with the FAA.

Action News has reached out to Thomas Jefferson Hospital, but they have not yet responded.