Al-Maliki challenged Iraqi commanders to work on bolstering security forces so they could assume responsibility in more provinces . Pentagon : Lt . Gen. Jeffrey is injured by a roadside bomb . Pentagon : Dorko has serious wounds and has been evacuated to Germany . Iraqi government frees seven of the abducted sheikhs in raid , Iraqi official says . Bicyclist strikes Baquba police base , killing 28 , wounding 20 .
Pentagon : Lt . Gen. Jeffrey is injured by a roadside bomb . Pentagon : Dorko has serious wounds and has been evacuated to Germany . Iraqi government frees seven of the abducted sheikhs in raid , Iraqi official says . Bicyclist strikes Baquba police base , killing 28 , wounding 20 .