Three military personnel were injured Sunday when Sinai-based Wilayat Sinai terrorist group attacked an army checkpoint in Rafah city, North Sinai, Al Bawaba News reported. Security sources said that the injured were transferred immediately to Arish hospital for treatment. Earlier Sunday, Wilayat Sinai claimed its responsibility for two terrorist attacks in North Sinai's Sheikh Zuwaid and Al Arish, that killed five soldiers and injured others.