Civilians trapped in a church in Gaza City are living in an "unreal" sense of fear, a relative of one of those confined there has said.
Fifi Saba, whose sister is trapped inside the Holy Family Church, said people were scared to move out of fear of being shot.
Two women were killed inside the church by sniper fire on Saturday, the Latin Patriarchate of Jerusalem said.
Israel's army said it was reviewing the incident.
Ms Saba, a Catholic from Gaza who now lives in the US, told BBC Radio 4's Today programme that she was worried about her sister, her brother-in-law and their two children aged 9 and 12, who were trapped there.
She said she was receiving news about them through a family member, who was able to speak to her sister once a day.
