A Downing Street spokesperson said
The Prime Minister spoke to President Sisi of Egypt earlier this evening.
The Prime Minister offered her personal condolences and the condolences of the British people for the barbaric attack that took place at al-Rawdah mosque in north Sinai yesterday.
They spoke about the attack being a terrible example of the threat Egypt faces and the Prime Minister reassured President Sisi that the UK stands ready to help in any way possible.
They agreed that terrorism was an international problem and that it was important for countries to work closely together and share expertise to counter the growing threat of terrorism around the world. They welcomed continued bilateral cooperation in this area.