LONDON, Oct 29 (Reuters) - Ex-trader Kweku Adoboli told a court on Monday his bosses at UBS, including senior executive Carsten Kengeter, had been pushing him to take more risks when he took positions that eventually cost the Swiss bank $2.3 billion.

* Qua Iboe holds value at around dtd plus $2.20/bbl * BPCL, IOC both issue fresh buy tenders GENEVA, Oct 29 (Reuters) - Supply disruptions and fresh Asian buying tenders issued through to early next year helped to prop up West African crude oil differentials at the start of the week's trading. Traders said some Nigerian grades had been sold more quickly than in previous months because of supply risks for Bonny Light and Forcados. Both grades are under force majeure and have suffered

JOHANNESBURG (Reuters) - South Africa has given the green light to an initial $5.4 billion worth of clean energy projects that will allow it to procure 1,400 MW of electricity and help reduce reliance on coal-fired plants, the energy minister said on Monday.

* The case has rocked the Swiss bank, caused heavy losses

TRIPOLI (Reuters) - Thousands of Libyans who fled fighting in the former Gaddafi stronghold of Bani Walid will not be allowed to return home for several more days until work was complete to make the town safe and restore services, officials said on Monday.

CAIRO (Reuters) - A vote to help choose a pope for Egypt's Coptic Orthodox church began on Monday in a process the minority Christians hope will deliver a leader to guide them safely through the upheaval of the Arab Spring.

LONDON (Reuters) - Egypt has secured oil supplies for the rest of the year, despite fears about its ability to make payments, from a small number of Western suppliers who have agreed to deliver unusual grades of crude for hefty premiums, market sources said.

ACCRA, Oct 29 (Reuters) - The Bank of Ghana said on Monday that the yield on its 91-day bill fell to 23.02 percent at an Oct. 25 auction from 23.11 percent at the last auction.

JOHANNESBURG, Oct 29 (Reuters) - The following is a selection of domestic debt auctions expected from frontier African governments this week. Amounts listed in local currencies: GHANA INSTRUMENT AUCTION DATE AMOUNT (mln) 91- & 182-day 2/11/12 220 T-bills; 1- & 2-year notes ($1 = 1.9 cedi) KENYA INSTRUMENT AUCTION DATE AMOUNT (mln) 182-day T-bill 31/10/12 3,000

KHARTOUM (Reuters) - Rebels in Sudan's Darfur region said on Sunday they had shelled a state capital, in a rare attack on the government stronghold where international peacekeepers are also based.

TUNIS (Reuters) - Clashes broke out between alcohol sellers and hardline Salafi Muslims in the Tunisian capital, a security official said on Sunday, wounding a police commander in the latest illustration of religious tensions in the home of the "Arab Spring".

LONDON (Reuters) - Scientists have come up with a test for the virus that causes AIDS that is ten times more sensitive and a fraction of the cost of existing methods, offering the promise of better diagnosis and treatment in the developing world.