On 3 January 2011, separatists planted a bomb near the railway between Pa Phai-Cho-airong, followed by shootings on 3 patrol soldiers. As a result, all 3 were seriously injured and sent to Cho-airong Hospital afterwards.[1]
On 8 June 2011, separatists shot locals at Cho-airong railway station before igniting a hidden bomb in a vegetable-selling stall, injuring 6 people. The injured people included locals, police, military volunteers and the assistant district officer of Cho-airong District.
In May 2014, bombs exploded on 2 railway bridges within the Cho-airong Area, causing 1–2 days suspension of rail services in the area.[2]