Syrian President Ahmed Sharaa has arrived in Washington for an official visit, just two days after the US formally revoked his status as a Specially Designated Global Terrorist. The former Islamist militant will meet US President Donald Trump at the White House on Monday, 11 months after his rebel alliance ousted Bashar al-Assad. Hours before his arrival in the US capital it was announced that Syrian security services had detained dozens of suspected members of the so-called Islamic State group. Joint efforts to tackle what remains of the group in Syria are expected to be high on the agenda during...