<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.deby aliuawa akipambana na magaidi waliotokea nchi jirani ya libya huko kaskazini mwa chad alikokwenda kukagua jeshi la nchi hiyo linalopigana na makundi ya kigaidi.  <response>: deby was killed near the northern border with libya while leading troops battling a rebel group. 