Metro

Boston police: ‘There is no known threat to the Boston area’

Crime scene investigators walked slowly down the west side bike path in lower Manhattan in Wednesday.
Seth Wenig/Associated Press
Crime scene investigators walked slowly down the west side bike path in lower Manhattan in Wednesday.

In the wake of a man in New York City driving a truck on a bicycle path, killing at least eight, and injuring several others Tuesday in what is being investigated as a possible act of terrorism, Boston police said “there is no known threat to the Boston area.”

In a statement Tuesday evening, Boston police said the department “remains in close contact with our local and federal law enforcement partners in New York.” The department also reminded officers “to be extra vigilant” during their patrols Tuesday evening, encouraging police to pay particular attention to areas “that tend to attract a large crowd.”

“With Halloween upon us, we are also reminding parents and neighbors to be aware of their surroundings and if you see something say something,” the department said in the statement.

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Boston police referred to Tuesday’s incident in Manhattan as a “senseless attack” and applauded the work of a New York police officer “who bravely confronted the suspect and stopped further harm.”

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New York City Mayor Bill de Blasio called the incident “an act of terror.”

“And a particularly cowardly act of terror aimed at innocent civilians,” he said.

Law enforcement officials identified the truck’s driver as 29-year-old Sayfullo Saipov . Police shot him in the abdomen before taking him into custody Tuesday.

Massachusetts State Police said in a statement Tuesday night that its homeland security division is coordinating with the FBI’s Boston office to monitor developments in the investigation of the fatal truck attack.

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There were no known credible terrorist threats to Massachusetts Tuesday night, and authorities were not aware of any Massachusetts connection to the New York City incident, State Police said.

“Massachusetts State Troopers in the field always maintain a high level of alertness and situational awareness for any suspicious activity,” said police in the statement.

In Salem, where thousands are expected Tuesday night for the city’s Halloween celebration, there are no changes to the security plan already in place, said Captain Conrad Prosniewski, a police spokesman.

Barricades closing major downtown streets to traffic were set up prior to any news of the New York attack, he said.

The department wrote on Twitter that “There are no threats towards events in #SalemMA. We are monitoring the situation in NYC” and is in contact with state and federal officials.

Kathy McCabe of the Globe Staff contributed. Material from the Associated Press was used in this report. Danny McDonald can be reached at daniel.mcdonald@globe.com. Follow him on Twitter @Danny__McDonald.