Messages of condolences and support poured in Monday as world leaders woke to the news of the deadly earthquake that struck Turkey and Syria.

• Ukrainian President Volodymyr Zelensky extended his condolences to the victims on Twitter and offered assistance. "We stand with the people of Turkey in this difficult time. We are ready to provide the necessary assistance to overcome the consequences of the disaster," Zelensky said.
• On Twitter, Indian Prime Minister Narendra Modi said he was "Anguished by the loss of lives and damage of property" from the quake. "India stands in solidarity with the people of Turkey and is ready to offer all possible assistance to cope with this tragedy," he said.
• Pakistan's Prime Minister Shehbaz Sharif sent his condolences to the people of both Turkey and Syria in a series of tweets. The total death toll across the two countries following the earthquake stands at more than 500.
• Israel's President Isaac Herzog tweeted: "The State of Israel always stands ready to assist in every way possible. Our hearts are with the grieving families and the Turkish people at this painful moment."
• White House National Security Adviser Jake Sullivan said the United States was “profoundly concerned” about the destruction in Syria and Turkey. “I have been in touch with Turkish officials to relay that we stand ready to provide any & all needed assistance. We will continue to closely monitor the situation in coordination with Turkiye,” Sullivan wrote on Twitter.
• The US diplomatic mission in Turkey also expressed “deep sorrow for the tragic casualties and extensive damage caused by the earthquake” in a tweet.
• Dutch PM Mark Rutte has announced a Dutch search and rescue team will join the hunt for survivors in Turkey and Syria.

• The Greek PM, Kyriakos Mitsotakis, said that Greece would also be "mobilising its resources" and assist the affected areas "immediately".

• The leaders of Serbia and Sweden have also promised to send help to the region.

• The UK prime minister, Rishi Sunak, has repeated the earlier message from the foreign secretary, James Cleverly, that the UK is ready to offer assistance in the aftermath of the earthquake that has killed over 500 people in Turkey and Syria.
• Germany is ready to provide assistance to Turkey and Syria after a powerful earthquake rocked the region early Monday, its foreign minister said.
• Azerbaijan will send a search and rescue team of 370 people and aid material to Turkey following the powerful earthquake that struck the south of the country on Monday morning, Turkey's state-run news agency Anadolu reported.

• Georgian Prime Minister Irakli Gharibashvili said Georgia stands with the Turkish people and is ready to provide any necessary assistance.

More background: A major earthquake of magnitude 7.8 struck central Turkey and northwest Syria early on Monday morning, killing more than 500 people and injuring hundreds as buildings collapsed across the region, triggering searches for survivors in the rubble.

Turkey’s vice president Fuat Oktay said 284 people had been killed and 2,323 people were injured, as authorities scrambled rescue teams and supply aircraft to the affected area, while declaring a “level 4 alarm” that calls for international assistance.

In Syria, already devastated by more than 11 years of civil war, a government health official said more than 237 people had been killed and some 600 injured, most in the provinces of Hama, Aleppo and Latakia, where numerous buildings tumbled down.

Reuters reports president Tayyip Erdoğan spoke by telephone with the governors of eight affected provinces to gather information on the situation and rescue efforts, his office said in a statement.