The Iraqi Ministry of Defense announced Wednesday that 20 militants have been arrested in raids in Baghdad's Hurriyah district. "An army taskforce carried out several raids in Baghdad's Hurriyah district this morning and arrested 20 suspects and seized three machineguns and three empty magazines," the ministry said in a press release.In separate developments, the Ministry of interior said commando forces killed four "terrorists" entrenched in two houses in Baghdad's Al-Mansour suburb Tuesday. An Interior Ministry statement said a number of other terrorists were arrested in the raids. A commando soldier was killed and four sustained wounds, the statement went on.