Tangyan Township is a township of Lashio District

Lashio District

Lashio District is a district of the Shan State in Myanmar. It consisted of four towns and 2431 villages in 2001.-Townships:The district contains nine townships, including:*Lashio Township*Hsenwi Township*Mongyai Township...

 in the Shan State

Shan State

Shan State is a state of Burma . Shan State borders China to the north, Laos to the east, and Thailand to the south, and five administrative divisions of Burma in the west. Largest of the 14 administrative divisions by land area, Shan State covers 155,800 km², almost a quarter of the total...

 of eastern Burma. The principal town is Tangyan

Tangyan

Tangyan may refer to:*Tang Yan, a Chinese actor*Tangyan, Burma, in Shan State...

.

There were resume clashes between Shan State Army

Shan State Army

The Shan State Army, or SSA, was an army formed in 1964 to resist the military government of Burma in Shan State.It later split into two factions, usually known in English as the Shan State Army - South or SSA-S, which continues to oppose the government, and the Shan State Army - North or SSA-N,...

(SSA) and Myanmar Army in Tangyan in 2011. Myanmar Army deployed local militias to monitor the SSA movement. SSA accused Myanmar Army using chemical weapon and recruiting women as forced porters in Tangyan during resume clashes. Some school teachers were killed also.