Five army personnel were killed late Sunday in a terrorist attack in Sinai, a brief army spokesman statement posted on his official Facebook page read.

“[The martyred] were killed by the hands of treacherous takfirists, who are the enemy of the nation and religion,” the statement added.

No further details were given on the location or details of the attack.

Egypt’s army and police forces have been waging a war over the past three years against an Islamist militant insurgency in North Sinai; hundreds of security personnel and many militants have been killed in the violence.