Britain welcomed the New Year with spectacular fireworks displays

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New Year's celebrations across the UK ushered in 2017 with dazzling fireworks displays and crowded streets amid tightened security measures for the festivities.

Fireworks light up the sky over Parliament in central London.
(Ben Stevens/PA)

Crowds lining the Victoria Embankment held their phones up to record the unmissable moment.

London Eye.
(Jonathan Brady/PA)

There was a huge police presence on the streets of London as spectators from nearly 100 countries flocked to the Thames to watch the night sky light up as Big Ben struck midnight.

London Eye.
(Jonathan Brady/PA)

With memories of the Berlin lorry truck attack still fresh, London mayor Sadiq Khan assured crowds the capital was "as safe as it possibly can be".

London Eye.
(Jonathan Brady/PA)

Around 3,000 officers were on duty within and outside ticketed areas, while armed police were also a fixture on the capital's Tube trains as they travelled between jobs in a move aimed at reassuring passengers.

Fireworks light up the sky over Parliament in central London.
(Ben Stevens/PA)

The site's DJ acknowledged international visitors and said they were welcome to the capital to kick off 2017, with music keeping them entertained in the hours leading up midnight.

Fireworks light up the sky over the London Eye.
(Jonathan Brady/PA)

Meanwhile in Scotland, Hogmanay celebrations attracted a crowd of up to 80,000 people to Edinburgh for the sold-out, world-famous event, described as the UK's largest outdoor winter festival.

Fireworks light up the sky during the Hogmanay New Year celebrations in Edinburgh.
(Andrew Milligan/PA)