United Nations – The OCHA stated that the UN was "concerned about reports of an escalation of violence in Daraa... which is endangering civilians and causing hundreds of families to become displaced."[170] UN special envoy for Syria Staffan de Mistura warned the offensive by the Syrian Army and Iranian militias would cause a humanitarian disaster and put the lives of over 750,000 people at risk, also stating that more than 45,000 had already been displaced.[171] António Guterres made a statement saying "calls for an immediate halt to the current military escalation and urges all stakeholders to respect their international obligations including the protection of civilians and civilian infrastructure."