United Kingdom

Chances are, you probably don’t think much about colour-blindness unless you’re involved with the condition.

Colour blindness affects around 2.7 million in the UK alone.

The condition usually prevents people from seeing red, green or blue light.

There are also rare cases of people being unable to see any colour at all.

Britain will propose on Monday signing a new security treaty with the European Union after Brexit to maintain and intensify cooperation to thwart "ever-growing and increasingly cross-border threats".

Greek Foreign Minister Nikos Kotzias has accused Britain of playing a hand in derailing a UN initiative to help broker a Cyprus solution during last summer’s peace talks in Switzerland.

British Foreign Secretary Boris Johnson has set out his plans for a "glorious" Brexit, angering colleagues and reigniting speculation he would challenge Prime Minister Theresa May for the leadership of the Conservative party. 

Nationalist Movement Party (MHP) leader Devlet Bahçeli and U.K. Ambassador to Turkey Richard Moore have traded blows on Twitter, after Bahçeli criticized Britain's involvement in Middle Eastern politics.

He also raised eyebrows by claiming that Canada, Australia and New Zealand are not fully independent and have been ruled by governors assigned by the United Kingdom.  

Only 16.9% of Greeks, compared to 43.4% of the European population, visited an archaeological site, a historic monument, a museum or a gallery in 2015, according to the Eurostat data. In 2016, a slight drop was recorded in the percentage ofGreeks that visited museums.

Britain has raised to the maximum "critical" level for a terrorist threat in the country after the London Underground bombing. That means an imminent threat of attacks, Reuters reported.

Theresa May last night raised the terror threat level to critical as police scrambled to identify the attackers who tried to blow up a packed Tube train during the morning rush hour, in the fourth assault to strike London this year. At least 29 people were injured in the blast and stampede, including victims requiring hospital treatment for severe burns.

The Greek foreign ministry condemned the attack on the London underground on Friday and expressed Greece's solidarity.

"We strongly condemn today's attack in the London underground and express our solidarity to British people and UK government," the ministry said in a tweet. 

A home-made bomb exploded on a packed rush-hour commuter train in London injuring 22 people on Friday, police said, in what was being treated as the fifth terrorism attack in Britain this year.

Passengers on board a train heading into the capital fled as fire engulfed a carriage at Parsons Green underground station in West London after the explosion at 8.20 a.m. (0720 GMT).