The Duke of Edinburgh, the husband of Queen Elizabeth, is recovering in hospital in eastern England after being treated for a blocked

coronary artery

. The Queen and her sons and daughters have visited Prince Philip, who's said to be

in good spirits

. Peter Hunt reports.

Doctors are continuing to monitor the progress of the 90-year-old prince, who Buckingham Palace say had a good night. The Queen's husband is recovering after what's known as a stent was

inserted

into a blocked coronary artery which had been causing the prince to suffer pains in his chest. Officials have called it a "minimally invasive" procedure, and Prince Philip would have been conscious throughout. It's not yet known how long he'll be staying in hospital, or whether or not he'll miss the traditional Christmas gathering of royals at Sandringham.

The Africa[n] Union force that's fighting Islamist militants in Somalia has been strengthened with the arrival of 100 soldiers from Djibouti. They've joined Ugandan and Burundian soldiers already in the Somali capital Mogadishu. China is giving more than $4m to the African Union force to buy equipment.

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Kim Jong-un, the son of the late North Korean leader Kim Jong-il, has been hailed as "supreme commander" of the communist state's powerful armed forces. The ruling party newspaper called on Kim Jong-un to lead North Korea to "eternal victory". It's the first time state media has referred to him a supreme commander, having previously called him the "great successor" after the death of his father.