An update from the CNN newsdesk in London on the stories we're following on Friday:
Commonwealth Games - The list of countries that have agreed to compete in the Commonwealth Games is growing. Team Wales and Team England have announced that they will travel to Delhi for the competition, despite criticism that the athletes' village is uninhabitable and filthy.
U.N. focus on Sudan - The United Nations today turns its focus to Sudan, and a January referendum for independence in the south of the country.¬† Given the ethnic divisions and potential violence, the world body wants the election to¬†be¬†peaceful. ¬† Today's session will be attended by U.S. President Barack Obama, who also meets with ASEAN leaders.
Lehman auctions - Next week Christie‚Äôs will auction artwork and ephemera which once adorned the walls and offices of the British and European arms of the former banking powerhouse Lehman Brothers. The¬†joint administrators of Lehman have ordered the auction. Highlights include the sign¬†from the company‚Äôs offices in Canary Wharf. Jim Boulden previews the material going under the hammer.
Reliving ‚ÄúThe Blitz‚ÄĚ - London marks the 70th anniversary of the Blitz and the Battle of Britain¬†by opening a¬†disused underground station, where residents sheltered from bombs, to the public.¬† Ayesha Durgahee reports.
Toxic water - Millions of liters of toxic water lie beneath the city of Johannesburg and surroundings, threatening both agriculture and human health.¬†The acid water collects when rain water runs into the disused mine shafts and tunnels upon which this city was built.¬† Diana Magnay reports.
We are looking into:
Burnley veil ban - A college in north-west England has drawn criticism after it banned Muslims on its premises from wearing veils for ‚Äúsecurity reasons.‚ÄĚ Burnley College, in Lancashire, placed a notice from principal Hugh Bramwell at¬†reception informing all students, staff and visitors they must remove items which cover their face on arrival.
Abba sues - The founders of the Swedish supergroup, Abba, took exception when their hit Mamma Mia was used as a rally song for the leader of a Danish far-Right party, according to newspaper reports. Benny Andersson¬†and Bj√∂rn¬†Ulvaeus were so incensed that they launched a legal action.¬† We are investigating.
Stuxnet worm - A piece of highly sophisticated¬†malicious software that has infected an unknown number of power plants, pipelines and factories over the past year is the first program designed to cause serious damage in the physical world, security experts are warning.