MOUNT VERNON, Wash. – A second suspect has been arrested in connection with a shooting at the Mount Vernon Walmart.

Police say the 16-year-old male turned himself in late Sunday night, July 24th.

The shooting between two rival gangs inside the store injured five people on July 17th.

Mount Vernon Police Sergeant Mike Don says their investigation into the incident has made “significant progress” over the past week.

A third juvenile suspect remains at large.

Anyone with information is being asked to contact Mount Vernon Police at 360-428-3211.