Chelsea manager Jose Mourinho has revealed that midfielder Oscar was taken to hospital with possible concussion during their 0-0 draw at Arsenal.

Oscar was involved in a collision with Gunners goalkeeper David Ospina in the 16th minute and received lengthy treatment on the sidelines.

He was eventually replaced by Didier Drogba at half time before being taken to hospital.

Mourinho told Sky Sports News: "We had to change things because of Oscar's injury. He went to hospital to have some scans and see what is going on because at half time we were a bit scared. We don't know yet if it's concussion."

The Brazilian is a doubt to face Leicester City on Wednesday night.