An International Red Cross worker stands above the rubble of a destroyed building in Douma in the Syrian rebel enclave of Eastern Ghouta on March 5, 2018. AFP
An International Red Cross worker stands above the rubble of a destroyed building in Douma in the Syrian rebel enclave of Eastern Ghouta on March 5, 2018. AFP

'Unconventional' warfare posing serious challenges to basic rights, says Red Cross official