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LOWER MANHATTAN — A mother remained in critical condition Monday morning after she and her adult son were sent falling down subway stairs during an attempted robbery in a Lower Manhattan station on Saturday, police said.

According to the NYPD, the 58-year-old victim and her 22-year-old son were walking up the stairs at the Canal Street N train station around 9:40 a.m. Saturday when the suspect grabbed the man’s book bag.

The mother and son fell down the stairs and the suspect fled the station, police said.

The woman was rushed to a hospital in critical condition, police said. On Monday, authorities said she had suffered severe head injuries.

The NYPD released surveillance images of the suspect Saturday night. 

Submit tips to police by calling Crime Stoppers at 1-800-577-TIPS (8477), visiting crimestoppers.nypdonline.org, 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).

Correction: Details around which victim’s bag was grabbed have been updated.