Unknown gunmen attacked a Central Security station in al-Ahrash region in Sinai\'s North Rafah early on Tuesday, for the second time in 24 hours. Unknown masked assailants began attacking the station on Monday and exchanged fire with security forces, but no injuries were reported. Eyewitnesses said that the exchange of fire lasted several minutes, before the attackers escaped from the scene unharmed. A similar attack had taken place at the same station hours earlier.