Donald Trump has issued an ominous warning to Vladimir Putin to secure a ceasefire with Ukraine after Syrian rebels toppled their longtime leader - a major Kremlin ally. Trump voiced his views via Truth Social after Syrian President, Bashar al-Assad, fled amid a dramatic coup following more than 13 years of civil war in the country. The Islamist rebels also dealt a major blow to the influence of Russia and Iran in Syria in the heart of the region - allies who propped up Assad during critical periods in the conflict. Trump tied the seismic moment in the Middle East...