Trenton (US) June 17 (IANS) At least 20 people were injured early on Sunday when some gunmen opened fire at a crowd at a 24-hour art festival in Trenton New Jersey authorities said adding one suspect was killed and another was taken into custody.

Among the injured is a 13-year-old who is in extremely critical condition CNN reported quoting the Mercer County Prosecutor s Office.

Police are investigating to determine if there were more suspects.

"Multiple weapons have been recovered " prosecutor Angelo Onofri said. "Twenty individuals were treated for a variety of gunshot wounds as well as other injuries."

--IANS him/mr