Toronto police have tracked down one of three Chinese exchange students missing since last Tuesday.

Qian Hu was found on Friday. Police say they tracked down the 15-year-old after workers at a federal immigration office recognized her picture when she walked in that morning.

Investigators are still looking for the other two students -- Zhiyong Chen, 17, and Kangjun Fu, 13.

Police say the girl hasn't been helpful in their search.

The teens were last seen last Tuesday at 1:30 p.m. in the afternoon, at Woodbine Beach, near Woodbine Avenue and Lake Shore Boulevard East.

Anyone with information should call Crime Stoppers at (416) 222-TIPS.