28-year-old man involved in 6-hour standoff with Tulsa police undergoes mental health evaluation.

28-year-old man involved in 6-hour standoff with Tulsa police undergoes mental health evaluation. The incident began on Saturday when a 911 caller reported a man with a weapon near 12th and Boston. Officers arrived and found him unwilling to follow commands, initiating the standoff. After a six-hour negotiation, crisis negotiators convinced the man to peacefully surrender without injury.