A car bomb exploded Saturday near an arms depot in Yemen's southern province of Abyan killing 12 Houthi militants and wounding eight others, Al-Bawaba News reported. Local anti-militia fighters, backed by a Saudi-led coalition pounding the Tehran-backed Shiite Houthis since March 26, claimed responsibility for the attack, according to Yemeni security officials. Anti-Houthi forces are made up of pro-government fighters, Sunni tribes and southern separatists, collectively known as Popular Resistance Committees. In the southern port city of Aden, coalition warplanes launched deadly airstrikes against Houthi-held positions, a military official said, without giving a toll.