Police are investigating a robbery that happened late Saturday night into Sunday morning.
According to police, a 51-year-old man was having a small gathering at his him in the 1400 block of South 11th street.
They say a woman used his phone to call and text people. 10 more people showed up.
Police say one man became upset with the victim, saying his disrespected the woman. They say the man punched the victim several times before several women joined in the beating.
Police say the suspects took his wallet and phone.
The victim didn't report the robbery until several hours after the party ended, around 6:30 Sunday morning.
Police are contacting the party goers to track down suspects.
Call Crimestoppers with any information.