A floral masterpiece by Vincent van Gogh, painted in the closing stages of his life, sells in New York for $61.8m (£38.7m).
The government plans to make mobile operators improve patchy coverage around the country.
Rajesh Mirchandani explains the results of the US mid-term elections in what was a "very good night for Republicans".
About 36 pilot whales died after stranding in the Eastern Bay of Plenty in New Zealand, but dozens more are saved by conservationists.
Arsenal manager Arsene Wenger says he is "annoyed" at a "very disappointing" 3-3 draw with Anderlecht.
PM Tony Abbott says Australia is contracting a private company to staff and operate an Ebola treatment centre in Sierra Leone.
Clive Myrie looks around a new, British army-built centre for treating people with Ebola in Kerry Town, Sierra Leone.
India's navy withdraws two warships from the eastern port of Calcutta as intelligence agencies warned of a possible terror plot on the port.
Australia holds a state memorial service for former Prime Minister Gough Whitlam, who died on 21 October at the age of 98.
North Korean media publish photos of leader Kim Jong-un walking without a stick at an army meeting, following speculation on his health.
London's galleries, theatres and other arts organisations get a disproportionate share of public arts funding, a group of MPs concludes.
The Republican Party makes solid gains in the US Senate, where they need just six seats to take control in the US mid-term elections.
A former Russian army officer who is alleged to have fought for the Taliban in Afghanistan appears in a US court on terrorism charges.
Spending on flood protection in England is "insufficient" to maintain defences, the National Audit Office warns.
Ukrainian President Petro Poroshenko orders army reinforcements to key southern and eastern cities in case of a new rebel offensive, following disputed polls in Donetsk and Luhansk.
Asian shares were lower on Wednesday following a trend from Wall Street, where shares were dragged down by falling oil prices.
Author Helen Macdonald wins the Samuel Johnson Prize for Non-Fiction for H is for Hawk, a memoir about how becoming a falconer helped her deal with grief.
Brazilian prosecutors charge the former football international Adriano with links to a drug lord in Rio de Janeiro.
There are serious and deeply ingrained problems with child and adolescent mental health services, officials warn.
Kurdish defenders vow to defy siege in northern Syrian town