Power briefly went out in a tube leading to the station, officials said.
Amtrak and NJ Transit trains suffered extensive delays Tuesday morning, officials said.
National Weather Service forecasters issued a thunderstorm watch for New York City.
Two NYPD officers were also injured in the protests against recent police-involved killings.
Service on the F, R, M and E lines were disrupted Tuesday evening.
A train crashed into a Jeep in Valhalla, N.Y. Tuesday, killing six people and injuring 15.
The blaze started in a construction site at the West End Concourse of Penn Station, officials said.
B and D trains were rerouted because of a broken rail at Grand Street, accoridng to the MTA.
The man was struck at the Woodside station around rush hour Friday evening.
A man was attacked inside the Crown Heights-Utica Avenue subway station, police said.
A person was hit by a 5 train during the Monday evening rush, authorities said.
Hannah Harris, 20, initially told police she had been carjacked, sources said.
A man suffered a cardiac arrest after he was a hit by an M train, officials said.
A person died at the 6 train's Zerega Avenue stop, the FDNY said.
The West Side Highway was shut down from 8:30 a.m. to about 3:30 p.m. Wednesday.
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