Speaking in Glasgow Chancellor George Osborne said, "the conclusion is clear, the pound we share works well. The saying goes - if it ain't broke don't fix it, but I say, if it ain't broke don't break it."
He added, "I want the best for Scotland and for all our United Kingdom. We're better together."
More top news
Thousands of protesters have swarmed into the US capital and cities across the world to march for gun control.
The tech firm has submitted proposals for 13 emojis depicting wheelchair users, bionic arms, guide dogs, hearing aids and walking sticks.
Cloudy and damp across much of England and Wales, although the rain should turn lighter and more patchy by the afternoon.