BENGHAZI, Libya (AP) — The old courthouse in central Benghazi, Libya's second-largest city and the birthplace of the uprising against Moammar Gadhafi, is a shelled-out ruin — a testimony to the destruction and chaos that permeate this North African country four years after the civil war that ousted the longtime dictator. [...] Libya's Islamic State affiliate is fighting on different fronts, losing ground in its eastern stronghold of Darna while expanding along the country's central northern coastline. Near-daily street fighting has pitted militias made up of a myriad of al-Qaida-linked militants, Islamic State extremists and former anti-Gadhafi rebels against soldiers loyal to the internationally recognized government and their militia allies. Once known for its mix of architectural styles left behind by Arab, Ottoman and Italian rule, this city — shaped like a crescent moon, hugging the Mediterranean Sea on one side and sheltered by the Green Mountain on the other — has lost the flair of times past. [...] charred and wrecked cars, piles of twisted metal and debris act as front-line demarcations between warring factions. Schools have closed, few hospitals remain open, and wheat and fuel shortages force residents to line up for hours every day outside bakeries and gas stations. The city's residents also fear abductions at the hands of militiamen from the Shura Council of Benghazi Revolutionaries, an umbrella group of hard-line militias that includes Ansar al-Shariah, which the U.S.