The A1 Northbound is blocked, causing stationary traffic, severe delays due to vehicle fire between Barnsdale Bar, Skellow and A1(M) J40 at Darrington. Congestion is going back to J37 Marr. A van has caught fire and traffic is being held while the fire is dealt with. It is affecting traffic heading out of South Yorkshire towards the M62.
Emergency services have not yet confirmed how many people have died in the collision, which happened just before 1am.
The roads around Yorkshire's tallest building are expected to remain shut until 10am.
The M1 is shut northbound J42 at Lofthouse, causing congestion on the M1 to J39 A636 (Wakefield / Durkar).