Afghanistan, Sept. 2 -- Iran's Islamic Revolutionary Guard Corps (IRGC) said four members of its Aerospace Force were killed in U.S. airstrikes on Kermanshah province, as Iranian media reported that the death toll from U.S. attacks across Iran over the past 24 hours has risen to 18.

According to the IRGC and the semi-official Fars News Agency, the four personnel were killed during Tuesday night's strikes on military positions in Kermanshah, in western Iran. The attacks were described as part of a renewed U.S. campaign targeting IRGC military infrastructure.

Iranian officials had earlier reported that at least five civilians were killed when a U.S. airstrike hit a wedding ceremony in southern Iran. Local reports also said seven people were...