NEWARK -- The two men found shot to death in a vehicle in Newark on Sunday have been identified by authorities as a pair of Essex County residents.

Stefan Tinsley, 33, of East Orange and Yasin Calloway, 26, of Newark, were pronounced dead shortly after police arrived on the 400 block of Irvine Turner Boulevard around 5:30 p.m., authorities said Monday.

No motive for the shooting has been identified and no arrests have been made.

Anyone with information is asked to call the prosecutor's tip line at 877-847-7432.

Jeff Goldman may be reached at jeff_goldman@njadvancemedia.com. Follow him on Twitter @JeffSGoldman. Find NJ.com on Facebook.