Prime Minister David Cameron has made an impassioned plea to keep Scotland in the Union, saying: "I love my country more than I love my party."
The Duchess of Cambridge is pregnant with her second child.
There has been fresh shelling near Donetsk airport in eastern Ukraine, raising fears that a 36-hour-old ceasefire is near to collapse.
Ukrainian President Petro Poroshenko has expressed careful optimism that a deal could be struck with Russia to end fighting in the east of his country.
The office of President Petro O. Poroshenko of Ukraine said Wednesday that he and President Vladimir V. Putin of Russia had a similar understanding about what was needed to achieve a cease-fire in southeastern Ukraine, but it retracted a statement it had made earlier in the day that said the two men had agreed to a “lasting cease-fire.”
Russian President Vladimir Putin has called for talks to discuss "statehood" for eastern Ukraine.
Prosecutors say a Frenchman being held over a fatal shooting at the Jewish Museum in Brussels admitted the killings in a video.
Pro-Russian rebels in eastern Ukraine have shot down a military helicopter near Sloviansk, killing 14 people, the country's outgoing president says. Olexander Turchynov said the rebels used a Russian-made anti-aircraft system, and a senior general was among the dead.
EU leaders have agreed to re-evaluate the bloc's agenda after voters "sent a strong message", European Council President Herman Van Rompuy has said.
Ukrainians are going to the polls to vote in a new president after months of unrest following the ousting of former President Viktor Yanukovych.
Ukraine's government has confirmed a deadly attack on troops in the eastern region of Donetsk, with reports saying at least 11 soldiers died.