While the enduring images are of happy crowds enjoying the fun, there was a down side as violence marred Glasgow's event and left three people badly hurt.

Glasgow revellers get into the party spirit

Glasgow's festivities attracted tens of thousands

Smiling faces during Edinburgh's big night

Fireworks light up the skyline in the capital

Security concerns led to police checks

A party-goer enjoys the festivities

Edinburgh laid on a range of events including a fair

There was disappointment after trouble in Glasgow

The big clean-up gets under way in Glasgow