Libyan forces loyal to a U.N.-brokered government have advanced deep inside the coastal city of Sirte, the main stronghold of the Islamic State group’s local affiliate, officials said Wednesday. Brig. Gen. Mohammed al-Ghasri told The Associated Press that forces have seized a key bridge inside the city where the extremists used to hang the bodies of their enemies, and are only five kilometers (three miles) from the city center and Zafrana square, where IS killed prisoners convicted by its self-styled Islamic courts. Sirte is the only IS-held city outside Syria and Iraq, and was seen as a possible fallback option for the capital of its self-styled caliphate. The extremists are currently struggling to fend off advances on a number of fronts, including in the Iraqi city of Fallujah and the northern Syrian provinces of Aleppo and Raqqa. Al-Ghasri said the fighting on Wednesday killed five of […]