The death toll from Monday's powerful quake that rocked southern Turkey and neighboring Syria has exceeded 5,000 as rescue operations continued, authorities said.
In Turkey, the quake that struck Gaziantep province with a magnitude of 7.8 has killed at least 3,419, Turkish Vice President Fuat Oktay said.
The death toll in Syria has risen close to 1,600, according to the country's health ministry and a volunteer organization involved in rescue operations.
International aid is arriving to assist in rescue efforts, including rescuers and disaster relief personnel from Britain, Japan and the European Union.
Britain has sent search and rescue personnel to Turkey, while Greece provided transport planes, rescue vehicles and rescue dogs, according to local media reports. India will be offering medical teams.
The EU plans to send a rescue team consisting of personnel from seven countries, including Bulgaria and France, to Turkey.
Japan has decided to send additional 60 rescue personnel to devastated areas, according to a government source, following an 18-member advance unit of a disaster relief rescue team that left Japan Monday.
Ukraine, which is in the midst of a war with Russia, is prepared to send a group of rescue workers to Turkey, its foreign minister Dmytro Kuleba said.
Meanwhile, Israeli Prime Minister Benjamin Netanyahu instructed the country's authorities to prepare immediate assistance for the crisis.
Russian President Vladimir Putin decided to send rescue personnel to Syria after speaking on the phone with Syrian President Bashar al-Assad.
Meanwhile, there is international concern on whether sufficient aid will be provided to civil war-torn Syria's northwestern province of Idlib, where rebel forces are based.