LAGOS, Nigeria - Multiple attacks on strategic oil and gas installations is costing Nigeria $2.4 million daily, a Cabinet minister said Tuesday as the military launched a manhunt for a militant and warned it will hold community leaders responsible for the "economic sabotage." The attacks began Friday in the southern Niger Delta after a court issued an arrest warrant for former warlord Government "Tompolo" Ekpemupolo in connection with $17.4 million that has gone missing from government coffers.