Notable recent incidents include disarming an armed man in the Queen Street Mall in Brisbane in March 2013. In December 2018, SERT assisted in the apprehension of two gunmen during a 6-hour-long siege in Auchenflower, wherein one officer was shot at, but not wounded. SERT contributed to the security forces assigned to protect the 2014 G20 Brisbane summit and 2018 Commonwealth Games.