Dua for Protection against Enemies

اللّهُـمَّ إِنا نَجْـعَلُكَ في نُحـورِهِـم، وَنَعـوذُ بِكَ مِنْ شُرورِهـمْ

O Allah, we ask You to restrain them by their necks and we seek refuge in You from their evil.