Four people, one pulling out a semi-automatic handgun, stole a pizza and a cell phone during a street robbery on Purdy Street early Monday morning, Central District police reported.

The victim and a witness were delivering a pizza from a Jefferson Avenue shop when they were approached first by two women and then by two men, one of whom pulled out the handgun.

The robbery occurred at about 1:30 a.m. Monday on Purdy Street, west of Jefferson, just south of East Utica Street.