Arlington police are investigating an early morning wreck in south Arlington that involved a motorcyclist and a pickup truck.
Rescue personnel had to pull the motorcyclist from beneath the pickup truck near Cooper Street and Sublett Road, according to a police dispatcher.
The crash occurred about 6:30 a.m. The rider was not wearing a helmet, according to police.
The rider was taken to John Peter Smith Hospital where he was in critical condition Monday afternoon, said Lt. Blake Miller, police spokesman.