The four American troops killed during renewed fighting between the U.S. and Iran in recent weeks are no longer listed as part of the Iran war death toll in the Pentagon’s official casualty count.

The number of U.S. troops killed in the war was 18, accounting for four deaths over the weekend, but now only 14 are counted on the site.

Eighteen U.S. soldiers have been killed in strikes so far.

The Pentagon has said ‘data disruptions’ explain the discrepancy