Pine Bluff police announced today that the deaths of 13 year old Kenneth McKnight Roberts and his 10 year old brother Jabrien Roberts were accidental. The two drowned in Bayou Bartholamew. Their bodies were recovered earlier this week. They were reported missing Easter Sunday. Police said there is evidence to show that the 13 year old went in the water first and that the 10 year old may have gone in to help rescue his brother.