Collision of two trains in Egypt kills at least four

President orders prompt investigation after one train derails in collision in al-Ayyat about 30 miles from CairoAt least four people were killed and almost 90 others were injured when two trains collided on Sunday south of Cairo, authorities have said.The crash occurred in al-Ayyat district in Giza province, about 30 miles (5okm) south of the capital, when a train travelling…