"More than 10,000 displaced households (nearly 80,000 people) have been assisted with food, emergency kits and other life-saving support."
The suspects are allegedly members of the Sinai Province, an ISIS affiliate.
Nearly 2,000 people have died since Saudi Arabia–led airstrikes began in March.
Dozens of bombs are falling every night in Yemen, making life near impossible.
Oxfam claims Riyadh air strike hit store in Houthi-held Saada containing humanitarian supplies despite knowing its location.
Aid required for 7.5 million people in Yemen as air strikes hit 18 of country's 22 provinces.
The U.S. steps up support of the Saudi-led coalition in Yemen as humanitarian conditions worsen on the ground.
A senior Houthi member calls for negotiations to be overseen by "non-aggressive" parties.
Worst fighting in Saada and Hajja provinces in six days of Saudi airstrikes, say residents.