Countries around the globe celebrate the new year with spectacular fireworks displays, including the UK, where London and Edinburgh hosted major events. London's Big Ben, which is undergoing maintenance work, was temporarily available to ring in 2018 as more than 100,000 people gathered on the banks of the river Thames to celebrate amid tight security. The fireworks display was choreographed to the music of female artists to mark the 100th anniversary of women winning the right to vote

• Mariah Carey makes it through New Year's Eve set at frosty Times Square