NEW : Elamin Belhaj , a senior member of the NTC , told CNN Wednesday that the formation of a Libyan government will not be announced until anti-Gadhafi forces control the borders of the country and liberate the three cities of Bani Walid , Sirte and Sabha . Russia says it has detained Libya 's former prime minister under Gadhafi . The U.S. has been monitoring Libya 's yellowcake production , a Libyan official says . A military cache containing tanks and barrels of powder marked ` ` radioactive '' is revealed . Troops have been putting pressure on several regime controlled cities in recent days .
NEW : Russia says it has detained Libya 's former prime minister under Gadhafi . The U.S. has been monitoring Libya 's yellowcake production , a Libyan official says . A military cache containing tanks and barrels of powder marked ` ` radioactive '' is revealed . Troops have been putting pressure on several regime controlled cities in recent days .