In Pictures: Christmas tree lights up Trafalgar Square

Crowds gathered in central London as the Trafalgar Square Christmas tree lights were switched on.

Trafalgar Square Christmas lights
An annual gift from Norway, the tree features white lights and a star on top (Yui Mok/PA)

The tree was installed earlier in the week.

Trafalgar Square Christmas lights
Norway’s ambassador to the UK Mona Juul attended the switch-on (Yui Mok/PA)
Trafalgar Square Christmas lights
As did mayor of Oslo Marianne Borgen, right – seen here with Lord Mayor of Westminster Councillor Lindsey Hall (Yui Mok/PA)
Trafalgar Square Christmas lights
Crowds gathered to watch the switch-on (Yui Mok/PA)

Merry Christmas to our friends in #Norway 🇳🇴 and across the world 🌍 pic.twitter.com/RoiipYeKdp

— Trafalgar Square Tree (@trafalgartree) December 6, 2018

Meanwhile, not too far away, Prime Minister Theresa May switched on the Christmas tree lights in Downing Street.

Downing Street Christmas tree
The event will have given the PM a welcome break from the Brexit debate (Dominic Lipinski/PA)
Downing Street Christmas tree
Mrs May was joined by children for the switch-on (Dominic Lipinski/PA)