<span style="color: #222222;">Light traffic has resumed on Russia's only bridge to Crimea, hours after a huge blast brought down sections of the roadway.<br />''<br />''Light traffic has resumed on Russia's only bridge to Crimea, hours after a huge blast brought down sections of the roadway.<br />''<br />''The blast that occurred on Saturday on Europe's longest bridge had killed three people.  <br />''<br />''The 19km (12-mile) bridge across the Kerch Strait, which cost £2.7bn to build, was opened four years after Moscow annexed Crimea.<br />''<br />''The railway part of the bridge –   also apparently reopened. The rail and road crossing is a key supply route for Russia's invasion of Ukraine.<br />''<br />''The bridge is strategically important because it links Russia's Krasnodar region with the Crimean Peninsula.</span><br />