Declan Walsh reports from Karachi after a suicide bomb attack killed scores welcoming the former prime minister Benazir Bhutto, returning after an eight-year exile. The Observer's Jason Burke is an al-Qaida expert who's just returned from Pakistan. He says the US-led invasion of neighbouring Afghanistan has boosted extremism in Pakistan since Bhutto began her exile.
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In Lisbon, Europe editor Ian Traynor describes how EU leaders agreed to sign a reform treaty a long night of haggling. But political editor Patrick Wintour says the political challenge for prime minister Gordon Brown is far from over, as his critics still demand a referendum.
As Poland prepares for a snap election this weekend, Kate Connolly says the country's ruling identical twin Kaczynski brothers are rooted in anti-communism and fervent nationalism. The twins, the president and prime minister of Poland, divide opinion between young and old voters.
Paris correspondent Angelique Chrisafis says French president Nicolas Sarkozy's high-profile divorce may cause him some political problems.
David Ward reports from a barge on the Mersey carrying a shipment of wine destined for Tesco supermarkets. The supermarket giant is using Britain's waterways in an effort to cut emissions.
Reviewing the papers, Haroon Siddique surveys potential replacements for Steve McClaren.
