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:¬†Ousted Moscow Mayor Yuri Luzhkov¬†has accused the Kremlin of promoting the repression of freedom of expression after he was sacked by Russian President Dmitry¬†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 ‚Äď on Tuesday Real Madrid took a giant stride towards the knockout stage with a 1-0 win over Auxerre.