UN balks as Yemen rebels try to control the flow of aid

FILE - This Aug. 30, 2010 file photo, shows Lise Grande, then head of United Nation humanitarian assistance in Southern Sudan, who is now the the U.N. humanitarian coordinator for Yemen, in Juba. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. Over the past year, 2019, U.N. agencies, lead by Grande, began pushing back against Houthi demands. (AP Photo/Maggie Fick, File)

FILE - In this Aug. 25, 2018 file photo, women wait with their children in front of the Aslam Health Center, in Hajjah, Yemen. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. (AP Photo/Hammadi Issa, File)

FILE - In this Sept. 21, 2018 file photo, men deliver U.N. World Food Programme (WFP) aid in Aslam, Hajjah, Yemen. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. (AP Photo/Hammadi Issa, File)

FILE - In this Aug. 25, 2018 file photo, a severely malnourished infant is bathed in a bucket in Aslam, Hajjah, Yemen. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. (AP Photo/Hammadi Issa, File)

In this Sept. 23, 2018 file photo, men deliver aid donations from donors, in Aslam, Hajjah, Yemen. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. (AP Photo/Hammadi Issa, File)

In this Oct. 1, 2018 file photo, a malnourished boy sits on a hospital bed at the Aslam Health Center, Hajjah, Yemen. Houthi rebels in Yemen have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press. (AP Photo/Hani Mohammed, File)

Yemen’s Houthi rebels have blocked half of the United Nations’ aid delivery programs in the war-torn country — a strong-arm tactic to force the agency to give them greater control over the massive humanitarian campaign, along with a cut of billions of dollars in foreign assistance, according to aid officials and internal documents obtained by The Associated Press.