LEXINGTON, MASS. (WHDH) - Police are looking into reports of alarming assaults on a bike path in Lexington, where they said a man wearing a respirator mask tried to grab teenagers as they were walking.

Lexington police said they need help finding the suspect; they said there were two reported incidents of assault and battery on the bike path on Sunday and Monday between 5 and 6 p.m.

Both incidents occurred on the Minuteman Bike Path near the Great Meadows area.

Officials said, in both cases, a man showing erratic behavior approached the victims, tried to grab them, and then ran away when other people approached.

“That’s kind of scary,” Jennifer Alves said, who frequents the path. “Knowing that people usually come here to just enjoy their time, enjoy the day, and to have something like that happen? You don’t expect it.”

Police described the suspect as a white man between 30 and 40 years old, 6 feet tall, with a lanky and thin build.

Police are reminding the public that using the path to pair up, especially during the evening hours.

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