Man flees on bike after stabbing woman

A man who allegedly stabbed and beat a woman Wednesday evening following a verbal altercation in downtown San Francisco has not been located after fleeing on a bicycle, police said Thursday.

At 5:56 p.m. Wednesday, police received a report of a stabbing in the 500 block of Bush Street between Grant Avenue and Bush Street.

Police said it appears the victim, a woman in her 40s, got into an altercation with the suspect’s girlfriend.

The suspect, a man believed to be in his 40s, then sought out the victim and confronted her, police said.

He punched the victim several times and then pulled out a knife and stabbed her, according to police.

Prior to officers arriving at the scene, the suspect fled on a black bicycle.

The victim was transported to San Francisco General Hospital with abrasions to her face and stab wounds to her buttocks, according to police.