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CLINTON HILL, Brooklyn — A 73-year-old woman was pushed onto subway tracks Monday afternoon in Brooklyn after a man got into an altercation with her husband and grandson, according to police.

The incident happened at the C train platform at the Clinton-Washington subway station at about 1:45 p.m., authorities said.

Investigators said the woman was with her husband, 82, and grandson, 30, when the grandson confronted a man on the platform, asking him not to smoke in the subway. It led to a dispute which turned physical between all three men.

Amid the physical altercation the suspect shoved the woman onto the subway tracks, police said.

She was taken to a nearby hospital with non-life-threatening injuries.

No arrests were made and police were searching for the suspect Monday night.

The NYPD described the suspect as a man in his 20s or 30s, last seen wearing a backwards hat and a dark hooded sweatshirt.

Submit tips to police by calling Crime Stoppers at 1-800-577-TIPS (8477), visiting, downloading the NYPD Crime Stoppers mobile app, or texting 274637 (CRIMES) then entering TIP577. Spanish-speaking callers are asked to dial 1-888-57-PISTA (74782).