On Jan. 25, the Sinai-based jihadist group Ansar Jerusalem (Ansar Bayt al Maqdis) said its fighters fired a surface-to-air missile at an Egyptian helicopter operating in North Sinai. The following day the group released video of the attack that killed five Egyptian soldiers.

Since the attack, the Egyptian military has claimed that subsequent airstrikes in North Sinai have killed at least 20 Islamist militants. The army has been using Apache helicopters for these strikes, which have also targeted the militants’ suspected hideouts, among other sites, the Associated Press reported.

Ansar Jerusalem, the dominant jihadist group in the Sinai and the only one to have claimed responsibility for more than one attack in the area since July, has yet to say whether any of its fighters were killed. […]