The military says it's detained 31 people and discovered some large underground weapons caches.

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Ereli said coalition forces have cleared 10, 033 weapons caches and destroyed 243, 000 tons of munitions.

CNN: Tons of Iraq explosives missing

Two security officials in Abyan said that the attacks were carried out by Yemeni forces targeting weapons caches in Jaar.

CNN: Al Qaeda claims it killed American in Yemen

U.S. troops found more hidden weapons caches, and opposition leaders met U.S. officials for the first time to discuss a new government for the country.

CNN: U.S. says Iraq missions will go on

Three raids on Thursday killed 12 jihadists and destroyed large weapons caches near Jaar, in Abyan, with no losses among government forces, three security officials told CNN.

CNN: Yemen pours troops into battle with al Qaeda

Combat units report finding several weapons and explosives caches, along with car bombs and other homemade explosives.

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The inspectors themselves believed at that time that large caches of weapons materials remained to be found.

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Investigators have been asking Tsarnaev whether there are more bombs, explosives caches or weapons beyond those already found by police, and if anyone else was involved in the attacks, a source with direct knowledge of the investigation told CNN.

CNN: Boston bomb suspect: My brother was the mastermind

Investigators have been asking Tsarnaev whether there are more bombs, explosives caches or weapons beyond those already found by police, and if anyone else was involved in the attacks, a source with first-hand knowledge of the investigation told CNN.

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