Dozens of customers' throats felt irritated but no noxious chemicals were found, fire officials said.
Two students from the E. 124th Street school were taken to the hospital as a precaution, officials said.
Students from Westinghouse High School were sent home early after the threat was made.
Four injured people were taken to hospitals while local service was restored for evening rush, MTA said.
Approximately 250 people had to be evacuated from the Midtown hotel, the FDNY said.
Technology, Arts and Sciences middle school was evacuated Wednesday morning, officials said.
The event at the Angel Orensanz Center was due to feature Gretchen Mol of Boardwalk Empire and others.
Three buildings on West 60th Street were exposed to gas, officials said.
The explosion happened about 7 a.m. Friday morning, the FDNY said.
The driver plowed into a two-story brick home at 1970 Cedar Ave. in University Heights, the FDNY said.
Firefighters removed tenants from 188 Sixth Ave. after a report that the building had shifted.
The fire broke out in two manholes near Myrtle and Washington avenues before spreading to a building.
The Lexington, 511 Lexington Ave., was evacuated Wednesday June 5, 2013, when a fire broke out there.
A power outage early Monday left about 1,200 guests without electricity or water at the New York Palace.
Nathaniel Hawthorne Middle School in Queens was evacuated Thursday morning after a nearby gas leak.
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