NEW YORK (CBSNewYork) — A man slashed a postal worker in the face and went on to barricade himself into his apartment in Laurelton, Queens Monday, police said.

Police said the 32-year-old man slashed the postal worker at a home on 220th Place in Queens, police said. The postal worker, a woman, was delivering mail to the home at the time, police said.

READ MORE: Gabby Petito Search: Authorities Combing Wyoming Wilderness For Missing Woman, Fiancé's Whereabouts Remain Unknown

Police identified the man as Robert Powell, 32. He was arrested and charged with assault.

READ MORE: Teen Stabbed To Death After Dutchess County High School Football Game, Former Student Charged

Powell’s mother told CBS2 she did not know what happened.

“I think it’s a tragedy. Maybe my son needs help. Maybe he needs something,” Powell’s mother said. “My neighbors tell me he was OK. He wasn’t abused. He probably gave up or whatever he did.”

MORE NEWS: Man Accused Of Stealing FDNY Coat, Radio From Bronx Fire Station

The postal worker needed stitches to close the wound.