Britain Three bombs that spread carnage in packed London Underground trains exploded almost simultaneously at 8:50 am (0750 GMT), police said, revealing a chillingly precise attack by suspected Al-Qaeda fanatics. Britain The cordon around central Birmingham was to lift, police said, after evacuating about 20,000 people, citing a threat to Britain's second city. Britain Radical Islamic cleric Mohammed al-Garbuzi, in a televised statement, denied reports that he is being sought in relation to the deadly bombings in London. US-NKorea The United States and China said that North Korea's surprise decision to return to nuclear talks was "only the first step" and that progress must be made in the negotiations scheduled for late July. Kyrgyzstan Voters in the Central Asian republic of Kyrgyzstan went to the polls to elect a president to succeed ousted leader Askar Akayev, but for some observers the vote has already been marred by a lack of any real choice. Sudan Former rebel leader John Garang was sworn in as Sudan's first vice president as a new power-sharing constitution came into force in a bid to put a final seal on two decades of civil war. Iraq Iraq rebels fired mortars at Baghdad's main oil refinery in a renewed assault on key infrastructure as the government called for an urgent meeting of Arab interior ministers to take a united stand against terror. US Hurricane Dennis regained its dangerous strength following a deadly run over Cuba and Haiti, and hurtled toward US coastal areas already battered by a similar storm last year. Britain-Italy Italian police rounded up 142 suspects, more than half of them illegal immigrants, in a massive two-day security sweep across the northern Lombardy region in the wake of the London bombings, police officials announced. Bosnia-Srebrenica Thousands of people lined Sarajevo's main street, many weeping as a convoy carrying the remains of 610 Bosnian Muslims slaughtered in Srebrenica headed for burial a decade after the 1995 massacre. Afghanistan Taliban militants in Afghanistan said they had beheaded a US special forces soldier held hostage since last week, but the US military said there was no proof the soldier had been killed.