Leader of the SNP Alex Salmond has congratulated the Duke and Duchess of Cambridge after it was announced they are expecting their second child. Mr Salmond used their Scottish titles to send his 'best wishes' to the couple.
Congratulations & best wishes to the Earl & Countess of Strathearn. Wonderful to hear they're expecting their second baby – very happy news!
A Kensington Palace spokesman said the Duchess's attendance at future events would be decided on a "case by case" basis.
Kate is scheduled to be among the guests at the opening ceremony of the Invictus Games in London on Wednesday evening with William, Harry and the Prince of Wales and Duchess of Cornwall.
The following day she is due to attend a solemn Drumhead service at Lee Valley Athletics Centre with the Duke and Harry, and later with William to watch Invictus competitors taking part in matches and heats.
A spokesman said: "We will be planning this on a case by case basis - it's too early to talk about Malta and Invictus."
Labour leader Ed Miliband says it is "fantastic to hear that Prince George will soon be a big brother" following news the Duke and Duchess of Cambridge are expecting their second child.
Fantastic to hear that Prince George will soon be a big brother! Congratulations to the Duke and Duchess of Cambridge on their happy news.
Prince George is likely to be joined by a little brother, according to the latest odds from bookies.
Ladbrokes make it 4/5 that the Duchess of Cambridge gives birth to another boy in early 2015.
James is the early favourite to be the name of choice at 6/1, with Arthur and Victoria following just behind at 8/1.
Charles, Thomas and Alexandra are also high up in the odds.
Early predictions on Royal births are not always accurate - the odds on George were 10/1 prior to the future King's birth last year.
The Duchess of Cambridge is suffering from hyperemesis gravidarum (acute morning sickness) it has been revealed. Kate was admitted to hospital when she was pregnant with her first child, Prince George.
The effects of the condition include:
- Symptoms also include severe nausea, low blood pressure and fast heart rate, headaches, lethargy or confusion.
- Vomiting can be so severe the woman cannot keep food or liquid down.
- The condition usually continues past the first three months.
- Hyperemesis gravidarum can pass by week 21 but may also last longer.
- The severity of the vomiting can cause dehydration and weight loss.
- It affects 3.5 per 1,000 pregnant women and can cause women to vomit blood.
Kate and William's second child will join second-born Royal children as being known as the "spare to heir".Read the full story ›
The announcement that the Duchess of Cambridge is expecting her second child will throw into doubt whether she will be able to attend her first solo overseas tour.
Kate was set to take make her first international appearance alone in Malta later this month.
However the announcement that she is suffering from Hyperemesis Gravidarum and has cancelled an appearance in Oxford today.
The Duchess of Cambridge will not be attending a planned engagement with the Duke of Cambridge in Oxford today as she is suffering from acute morning sickness.
Clarence House announced news that the couple were expecting their second child this morning.
The Queen is said to be 'delighted' by the news that Prince William and the Duchess of Cambridge are expecting their second child.
The Queen and members of both families are delighted with the news that Their Royal Highnesses are expecting their second child
The Duchess of Cambridge is suffering from severe morning sickness, the palace has said, after announcing her second pregnancy. The Duchess was admitted to hospital during her first pregnancy when she was carrying Prince George.
A Palace statement said: "As with her first pregnancy, The Duchess is suffering from Hyperemesis Gravidarum. Her Royal Highness will no longer accompany The Duke of Cambridge on their planned engagement in Oxford today. The Duchess is being treated by doctors at Kensington Palace."