At least three people were seriously injured in a mortar shell that fell on their house, after Wilayat Sinai militants mistakenly targeted the house in the village of Al Massourh at the city of Rafah, Veto News reported Saturday. The injured were Mohamed Nayef Suleiman, 24, his brother Essa, 15, and Mona Sulaiman Abdul Aziz, 23. They were rushed to Al Arish hospital for medical treatment.