file photo: Armed men loyal to the government forces guard a site near the Safer oil fields in Marib, Yemen. AP
At least 50 Huthi rebels and Yemeni pro-government troops have been killed as fighting intensifies for the key city of Marib, military sources said on Sunday.
"In the past 48 hours, 43 Huthi fighters were killed mostly in coalition airstrikes" west of Marib, a military source told AFP, while another source said at least seven loyalists died in fighting.
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