Regional Police Officer (RPO) Rawalpindi Akhtar Umer Hayat Lalika said that two target killers of "Chinese Tigers" group involved in a murder of Mufti Amanullah were arrested during crackdown, here on Saturday. The detainees identified as Adil Abbas and Ghulam Mujtaba had formed a militant group name "Chinese Tigers" and they were also involved in target killing of Mufti Amanullah.