Representatives from the British Red Cross, Medical Aid for Palestinians, UNICEF UK and Christian Aid met the King in person today at Buckingham Palace.
WATCH HERE: King Charles and Camilla arrived at Mansion House
Humanitarian organisations are calling for a ceasefire in the Israel-Hamas conflict to allow civilians and humanitarian workers access to aid and safety.
Prime Minister Rishi Sunak has also urged for temporary breaks in fighting to allow more Israeli hostages and British nationals to be released.
It is understood His Majesty is "deeply concerned" about the situation in the Middle East and has asked to be kept "actively updated".
Earlier this month, The King spoke to the President of Israel and the King of Jordan to express his "thoughts and prayers for all those suffering, especially to the loved ones of those who had lost their lives".
His Majesty said one of his first acts as Sovereign "was to open the doors of Buckingham Palace to the leaders of the major faiths represented across these islands; to welcome them, with respect and indeed love, and to re-dedicate my life to protecting the space for faith itself within our shores."
“Such understanding, both at home and overseas, is never more vital than at times of international turmoil and heartbreaking loss of life.”
Yesterday, King Charles held an audience with the Crown Prince of Kuwait and it is understood they also discussed the humanitarian situation in the Middle East.