ST. LOUIS • A man buying marijuana was shot in the back of the head in the 5500 block of South Grand Avenue on Friday night, police said.

The man, 31, was listed in serious but stable condition on Saturday.

Police said the man called an acquaintance to buy marijuana. Two men arrived in a Mercury Mountaineer about 8 p.m. and the victim got in the front seat. A man in the rear passenger seat then shot the victim in the back of the head and the driver pushed the victim out of the vehicle.

Elsewhere in St. Louis, three other people were injured Saturday in two separate shootings. None of the injuries were life threatening.

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