Wembley Park is currently blocked off by police following a road traffic collision.
The road is blocked in both directions by an collision outside the Station, a police cordon is in place in Wembley Park.
A large number of emergency service vehicles are at the scene including London Fire Brigade.
Bus routes affected include the 182, 83, 203 and 297. This is causing long delays in the area.
A Met Police spokesperson told Harrow Online: “Police were called by LAS at 17:39hrs to a reports of a collision involving two cars on Bridge Road, Wembley.
“Officers attended with LFB.
“A woman was taken to hospital; condition awaits.
“A man was arrested on suspicion of drink driving and taken into custody.”