Inspectors haven’t yet been able to access the site of an alleged chemical weapons attack in Syria that prompted a U.S.-led coalition to launch airstrikes against suspected Syrian chemical sites on Friday. And the parties involved are trading blame about why.

The Organisation for the Prohibition of Chemical Weapons said that a team of nine inspectors arrived in Damascus on Saturday, after it was invited by Syria and Russia to investigate the apparent chemical attack just over a week ago on on Douma, a suburb of Damascus that has been held by rebels. Read more.