A stabbing at a hospital in northwest London is not terror-related, police say.

Armed officers were sent to Central Middlesex Hospital at around 1.18pm.

A man has been arrested after two people were stabbed.

One of the victims has life-threatening injuries and a second has non-life threatening injuries, police said.

The suspect was arrested outside the hospital and is receiving treatment for injuries, which believed to be self-inflicted.

His condition is also being treated as life-threatening, police said.