The Syrian pound has strengthened against the US dollar by at least 20 percent over the past two days amid an influx of Syrians from neighboring Lebanon and Jordan and an end to strict controls on trade in foreign currencies after the fall of the al-Assad government.Damascus currency traders cited exchange rates between 12,500 and 10,0000 on Saturday, a wide spread of between 20 percent and 50 percent stronger than the previous rate of 15,000, with high volatility in the market.For all the latest headlines follow our Google News channel online or via the app.The traders cited the return of thousands of Syrians who had sought refugee abroad during the country’s 13-year war and the open use of US dollars and Turkish currency in markets as having contributed to the change.Using foreign currencies for everyday trade could previously land Syrians in jail, and many feared even uttering the word “dollar” in public.More than 90 percent of Syrians live under the poverty line, according to UN