Lincoln police believe three robberies and one attempted holdup Tuesday night are connected.
The first one happened around 8:20 p.m. near 20th and A streets where a man walking home was robbed by four men. The victim was punched before one of the suspects pointed a handgun at him and took his wallet.
At 21st and A around 8:30 p.m., four men attempted to steal someone else's wallet, but got away empty-handed.
Then just after 11 p.m., a pizza delivery driver was robbed by a man near 16th and P streets. The suspect punched the driver before pulling a gun and taking his wallet and pizza bag.
About 25 minutes later at 46th and Randolph, a man was hit in the face before the suspect pulled a gun and took the man's wallet.
Anyone with information about any of the robberies is asked to call Lincoln Crime Stoppers at 402-475-3600.