The US is set to take the Syrian Islamist group Hayat Tahrir al-Sham (HTS) off its list of foreign terrorist organisations on Tuesday, according to a state department memo. The group led a rebel offensive in December that toppled the Assad regime,

British Foreign Secretary David Lammy met in Damascus on Saturday with Syria’s interim President Ahmad al-Sharaa to discuss boosting cooperation, after the U.K. began lifting sanctions against Syria.

The US State Department is revoking the foreign terrorist designation of an Islamist rebel group that played a key role in downfall of Bashar Al-Assad’s regime in Syria, a week after President Donald Trump ordered the termination of sanctions on the country.