HONG KONG: A 3-year-old Hong Kong girl has been diagnosed with a small kidney stone after drinking mainland-produced milk containing melamine but is in good condition and does not require surgery, a hospital official said yesterday.

It is the first case reported outside the Chinese mainland in a scandal involving melamine-contaminated dairy products, which have killed four children and caused more than 6,200 others to fall ill.

The girl showed no symptoms of kidney disease, so she was discharged from the hospital without surgery or medication, a spokeswoman for Princess Margaret Hospital, who only gave her surname, Ma, in line with hospital policy, said.