Some patients had to be evacuated briefly from their rooms when they were enveloped by gas and birdshot landed in their beds.
Parts of the Capitol were briefly evacuated while the police moved in on the man, and tourists were cleared away.
Several Underground stations were briefly evacuated in what were called "security alerts."
Residents of two four-story brick buildings were evacuated briefly, a fire official said.
On 16 March power plant staff were briefly evacuated after smoke rose above the plant and radiation levels measured at the gate increased to 10 mSv/h.
The club's media center was briefly evacuated, and one woman at the event was injured after being struck by a tree branch broken by the storm.
A nearby bar, O'Donoghue's, also was evacuated briefly, but patrons were allowed to return.
The smell trailed her as she walked to her office, at 99 Park Avenue, which was briefly evacuated.
When the gas was discovered, the 120 people in the community were briefly evacuated.
Eight other families were briefly evacuated from the four-story brick building at 284 14th Street in Park Slope, Chief Marrone said.