Sirens will be installed in the federal capital to provide early warning to city dwellers on the possibility of flash floods, said Deputy Federal Territories Minister Jalaluddin Alias.<br /><br />He said preliminary work had started for the installation of the siren at Lorong Kiri Keramat 15, Chan Sow Lin Tunnel, Taman U-Thant, Jalan Sembilan in Kg Cheras Baru and Sg Kayu Ara.