A "Major Emergency Tier 3 Live Exercise" is set to take place at Pulau Muara Besar on Thursday, 2nd November, from 9 a.m. to 12 p.m.
According to Radio Television Brunei, the drill will involve the evacuation of workers from Pulau Muara Besar to Maritime Port Authority Brunei Darussalam. The public, especially those residing near the vicinity of Kampong Serasa and Muara, may hear sirens during the event. Authorities have advised the public not to panic, stating that the exercise will be closely supervised by trained personnel and conducted under strictly controlled safety measures.