Allies vow to destroy IS as attacks overshadow talks

The US-led coalition against the Islamic State group vowed to crush the jihadists Wednesday at a meeting overshadowed by an attack in London and civilian deaths in Syria.Secretary of State Rex Tillerson welcomed his counterparts from the mainly Western and Arab 68-nation alliance to Washington with a promise to hunt down IS leader Abu Bakr al-Baghdadi.Meanwhile, even as the ministers gathered at the State Department, news was breaking of the latest coalition air strike to have reportedly killed