A bipartisan group of US senators say they received no reply from the Pentagon or State Department after inquiring last month about implications of the sale of advanced weaponry to the United Arab Emirates.

Egypt’s military said it was a “limited explosion.” Egypt’s military said a “limited explosion” struck a gas pipeline in North Sinai on Thursday, an incident for which the Islamic State’s local branch has claimed credit.

Riyadh’s hosting of the annual summit has drawn criticism from a broad coalition of human rights groups.