An update from the CNN newsdesk in London on the stories we're following on Wednesday:
Official: German citizen details plot: U.S. officials warn of potential "Mumbai-style" terror plots across Europe in which gunmen would create as many casualties and as much chaos as possible against soft targets.
Austerity protests: Unions have planned a day of demonstrations across Europe to express anger at austerity measures adopted across the continent. The protests coincide with a general strike in Spain.
Drill at halfway point: The rescue drill attempting to reach 33 trapped miners in Chile has reached its midway point, sparking celebrations among rescuers and those waiting on the surface.
Kremlin vs. mayor:Â Ousted Moscow Mayor Yuri LuzhkovÂ has accused the Kremlin of promoting the repression of freedom of expression after he was sacked by Russian President DmitryÂ Medvedev, Russian media report.
Berlusconi to face confidence vote: Italian prime minister will ask parliament for a vote of confidence in his leadership on Wednesday, the government has said.
Rare N. Korea meet wraps: North Korea's ruling party has finished a key political gathering, which signaled a transferring of power to the next generation.
Lunar probe: China will evacuate more than 2,000 residents, as it prepares to launch the nation's second lunar probe, state-run media said Wednesday.
Champions League: The group stages continue â€“ on Tuesday Real Madrid took a giant stride towards the knockout stage with a 1-0 win over Auxerre.