Egypt's President Abdel Fattah Al Sisi invited Thursday the British Prime Minister, David Cameron to attend the official launch of the new Suez Canal, Youm7 reported Thursday. President Sisi called Cameron congratulating him for his Conservative Party's winning of a majority in the House of Commons in the general election on May 8. The Presidency official spokesperson, Alaa Youssef said that Cameron appreciated Sisi's invitation, signaling the necessity of cooperation between the two countries in different fields.