More than 20,000 people are now confirmed to have died in a devastating earthquake that hit Turkey and Syria on Monday.

The total number who are recorded to have been killed is now 20,451, made up of 17,134 in Turkey and 3,317 in Syria.

Both countries were hit by a 7.8 magnitude earthquake that reduced buildings to rubble and separated families.

The crucial 72-hour window – in which people are most likely to be found alive – has now passed, but one rescuer said there is still a little hope of finding further survivors.

Turkey-Syria earthquake – latest updates

David O’Neill, from the UK International Search and Rescue Team, told Sky News his teams were still finding people alive among the debris.

“It is surprising, but it is encouraging,” said Mr O’Neill.

“The way these buildings have collapsed they leave many survivable voids within them and given the time that this happened, a lot of people are wrapped up in bedding and such.”

Turkey’s president Recep Tayyip Erdogan is facing growing criticism from families left frustrated by a slow response from rescue teams, as hope dwindles that more survivors will be found.

During a visit to Hatay province, where more than 3,300 people have died and entire neighbourhoods have been destroyed, Erdogan said: “It is not possible to be prepared for such a disaster. We will not leave any of our citizens uncared for.”

Similar issues are being reported in neighbouring Syria, with the country’s UN ambassador conceding the government has a “lack of capabilities and a lack of equipment”.

Despite families feeling frustrated by the slow pace of rescue teams, there are cases where those trapped under the rubble are alive and being saved.

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The Disasters Emergency Committee (DEC) launched an appeal for funds which has gained the support of celebrities such as Daniel Craig, Sir Michael Palin, and Tamsin Greig – while also receiving the backing of the Prince and Princess of Wales.

The money will provide medical treatment for the injured, shelter for those who have lost their homes, as well as blankets, warm clothes and heaters for safe spaces.

They are also ensuring people have enough food and clean water.

The UK government will match the first £5m of donations from the public.

Prime Minister Rishi Sunak expressed his “solidarity” with Turkey, having “sent 77 specialist search and rescue teams” to help on the ground.

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These International Search and Rescue (ISAR) volunteers managed to rescue two women, aged 60 and 90, from the rubble, and reunite a mother with her child.

Smaller search teams are struggling to fly in, however.

Martin Phillips, a volunteer part of a Wiltshire-based rescue crew said: “It is frustrating. It’s nobody’s fault as such – the Turkish authorities wanted medium and heavy teams in first.

“Normally, the light teams get in first and lay the pathway for the bigger teams coming in.”

There will be a special programme called Disaster Zone: The Turkey-Syria Earthquake on Sky News on Friday evening at 9.30pm

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