On 7 July 2011, a hostage crisis unfolded at the Serikids Kindergarten in Sungai Abong, Muar, Johor, Malaysia. At around 9:15 a.m. local time, a 40-year-old man identified as Lau Hui Chung (also known as Loi Hui Chung and by the alias Ah Teong) entered the two-storey kindergarten building armed with a machete and a hammer. He took hostage approximately 30 preschool children, aged between 2 and 6 years old, along with four teachers. The man was suspected by authorities to be mentally disturbed and a drug addict.
Police arrived at the scene at 10:00 a.m. after receiving a tip-off about the situation. During the standoff, the man demanded to negotiate directly with the Malaysian Prime Minister and requested that he be given a gun, threatening to kill the hostages if these demands were not met. He was described as emotional and suicidal at various points during the crisis.
In response, the Royal Malaysia Police deployed its Special Actions Unit (Unit Tindakan Khas, or UTK), along with a firetruck and ambulance on standby. Police attempted negotiation and persuasion, with assistance from the suspect's family members, throughout the more than six-hour standoff.
The crisis came to an end at exactly 4:00 p.m., after UTK officers stormed the building at 3:40 p.m., using tear gas and shooting the suspect in the head. He was transported to the nearby Sultanah Fatimah Specialist Hospital, where he was pronounced dead at 9:15 p.m. All 30 children and four teachers held hostage were unharmed by the ordeal.
Following the incident, police investigated whether the deceased suspect had any connection to two earlier, similar attacks on kindergartens in the same vicinity: an incident at Warna Sari Kindergarten on 12 January 2009, and another at Senario Kindergarten on 10 March 2010. The Muar hostage crisis drew significant nationwide and international media attention. In its aftermath, police instructed kindergartens and day-care centres in the area to strengthen their security measures. The Serikids Kindergarten itself reopened approximately one week after the incident.