BEIJING (AP) — Overseas Tibetan rights groups say two people have died after they were wounded by police gunfire while protesting the detention of a local leader in southwestern China.

The British-based group Free Tibet and the U.S.-based International Campaign for Tibet say one protester committed suicide Sunday in police custody in the town of Louxu while another died that day from untreated wounds.

The International Campaign for Tibet says police opened fire on about 100 protesters Aug. 12, wounding 10 of them. The group says police have also been rounding up young men in the region, which has been site of repeated violence.

Police in Ganzi prefecture, where Louxu is located, did not answer phone calls Tuesday. The Communist Party office there would not comment on the reports.