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Suspect was arrested Sunday after tip from a vigilant citizen.

This event has no known connection to the Orlando nightclub mass shooting

The suspect told authorities that he was there for the Los Angeles Pride festival. During a press conference at the L.A. Pride, Mayor Eric Garcetti said the suspect was arrested Sunday with the help of a tip from a citizen.

Santa Monica Police Chief Jacqueline Seabrooks released the name of the suspect on Twitter as James Howell, a 20-year-old Indiana resident.

Police officers conducted a traffic stop in the 1700 block of 11th Street on reports of the car containing possible powder explosives. Officers found five pounds of tannerite-type powder, assault weapons, long rifles, clips loaded and taped together and a camouflage outfit along with a security badge.

Authorities said the investigation is ongoing, adding that the arrest has no connection to the Orlando nightclub mass shooting that took place early Sunday morning.

According to court records, Howell is being held on $500,000 bail and is scheduled to appear in court on Tuesday.

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