Former Grateful Dead drummer Mickey Hart is being sought by authorities on assault charges.

FORBES: Grateful Dead's Mickey Hart Wanted On Assault Charges

According to the AP, police in Kentucky have issued a warrant for the arrest of Hart stemming from an alleged Sept. 7 incident after a performance by the Mickey Hart Band at Terrapin Hill Farm in Harrodsburg, Kentucky.

FORBES: Grateful Dead's Mickey Hart Wanted On Assault Charges

Elsewhere, wheelchair racers Dave Weir (T54 800m) and Mickey Bushell (T53 100m) and sprinters Hazel Robson, Katrina Hart, Libby Clegg and Jenny McLoughlin were among those to progress to the next round of their respective events.

BBC: GB athletes make winning start at World Championships