Yemeni authorities have arrested four suspected Al-Qaeda militants in connection with a spate of assassinations of police and army officers in the restive southeast, a police official said on Tuesday.
The arrests were made in the Hadramawt province town of Ghayl Bawazir on Monday and Tuesday, the official said.
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One of those arrested is employed at an oil terminal in the province and is accused of killing a senior army officer last month, the official added.
Residents said that security forces had deployed in force across Ghayl Bawazir.
Al-Qaeda has intensified its attacks on the Yemeni security forces, taking advantage of the weakening of central government authority since a popular uprising toppled veteran president Ali Abdullah Saleh in 2011.