Witnesses and video footage on social media have begun to paint a picture of the horror that transpired at the shopping center in Allen, a suburb of Dallas.

Syria's membership was suspended 12 years ago early on in the uprising-turned-conflict, which has killed nearly a half million people and displaced half of the country's pre-war population.

In goggles and flipflops, they dive to harvest seaweed. It's risky work. They'll earn $3 to $6 a day. Now climate change and environmental rules make it harder to pursue the traditional profession.

The administrator of the worst-affected area, the Kalehe territory of South Kivu province, said more bodies were recovered Sunday, including many found floating in Lake Kivu.