Israel must ‘immediately and unconditionally’ release Saif Abu Keshek and Thiago de Avila, UN rights office spokesperson says. The United Nations has called for the immediate release of two Gaza-bound humanitarian aid flotilla activists abducted by Israeli authorities last week, calling for an investigation into the “disturbing accounts of severe mistreatment”. Israel must “immediately and unconditionally” release activists Saif Abu Keshek and Thiago de Avila, where they continue to be held without charge, UN rights office spokesperson Thameen al-Kheetan said in a statement on Wednesday. Recommended Stories list of 4 items list 1 of 4 Israel extends detention of Gaza flotilla activists, lawyers say list 2 of 4 Who are the two Gaza flotilla activists abducted by Israel? list 3 of 4 Palestine weekly wrap: Israeli security agencies sound alarm on settlers list 4 of 4 What to know about Israeli President Herzog’s trip to Central America?…