MAZAR-I-SHARIF: A foreign physiotherapist working for the Red Cross in northern Afghanistan was shot and killed Monday by a wheelchair-bound patient, in the latest attack on the international charity, reports AFP.

The woman was shot inside the aid group's orthopaedic centre in the city of Mazar-i-Sharif, the International Committee of the Red Cross spokesman Thomas Glass told AFP.

The victim, whose nationality has not been released, was taken to the NATO military base hospital at Camp Marmal where she died from her wounds.

Two people have been arrested over the deadly attack, including the 21-year-old shooter who police said was a "regular patient".

"He had hidden the pistol in his wheelchair which he used to shoot the victim," police spokesman Shir Jan