A knife-wielding thug stole a man’s laptop just after midnight Wednesday, police said.

The thug confronted the victim in the 1700 block of Market Street, pulled out a knife and demanded the laptop, cops said. The 26-year-old victim complied.

No arrest has been made. The crook was described by police as a 20-year-old black man.

rnagle@sfexaminer.com