ST. PETERSBURG, Fla. — St. Petersburg police say a man was shot and killed while trying to break up a fight. Now, police say they've arrested and charged the suspected killer.

Jermaine Cummings was killed around 1:30 a.m. Sunday near 29th Street South and 17th Avenue South. There were several witnesses at the scene but most ran when the shots were fired.

Police say Christopher Canfall, 20, has been charged with second-degree murder in Cummings' death. 

Detectives are asking anyone with more information to call the police non-emergency line at 727-893-7780 or text SPPD and an anonymous tip to TIP-411. 

What other people are reading right now:

►Make it easy to keep up-to-date with more stories like this. Download the 10News app now.

Have a news tip? Email desk@wtsp.com, or visit our Facebook page or Twitter feed.