The 2011 Muar kindergarten hostage crisis took place at the Serikids Kindergarten in Muar, Johor, Malaysia on 7 July 2011. About 30 preschool children aged between 2 and 6 years old and four teachers of the kindergarten in Sungai Abong were held hostages starting at 9:15 a.m. Malaysian time (UTC+8), by Lau Hui Chung, also known as Loi Hui Chung and Ah Teong, aged 40, who had barged into the double-storey building wielding a machete and hammer, and was suspected to be mentally deranged and a drug addict. The siege began when police arrived at 10:00 a.m. after receiving a tip-off. He threatened to kill the hostages if his demand to negotiate with the Prime Minister and be given a gun was not met. He was reported to be emotional and suicidal at times. The Special Actions Unit or Unit Tindakan