Britain The streets of London fell silent at noon in memory of the victims of last week's bombings, with millions of people across Britain and Europe joining them in paying their own quiet tribute. Iraq Two suicide bombers blew themselves up outside Baghdad's fortified government compound, killing a civilian, as US forces announced the capture of a suspect in the murder of Egypt's top envoy. US NASA called off the Discovery liftoff after detecting a fuel sensor problem, saying Saturday would be the earliest date for a launch of the first space shuttle since the 2003 Columbia disaster. Mideast Palestinian leader Mahmud Abbas denounced spiralling violence before heading to Gaza for crisis talks with armed factions in a bid to rescue an informal truce, two days after a suicide attack. Caribbean Hurricane Emily, the Atlantic's second big storm of the season, headed west, gathering strength, just after its predecessor Dennis carved a trail of death and destruction across the region. Pakistan Relatives desperately sought news of their loved ones as medical workers struggled to identify mangled corpses a day after around 150 people died in Pakistan's worst train crash in 15 years. NKorea Top nuclear negotiators from South Korea, the United States and Japan held discussions here to lay the groundwork for the resumption talks next month with North Korea over its nuclear weapons program. Finland Optimism reigned following a third day of Aceh peace talks in Helsinki as Indonesian government officials appeared to concede to separatist demands for wider political participation rights in the region. Philippines : Opponents of President Gloria Arroyo admitted that street protests are unlikely to topple the Philippine leader but said they believe they can win enough support to impeach her in Congress over a political scandal. France Battling to reclaim political momentum, a combative President Jacques Chirac defended France's standing in the world, vowed to tackle high unemployment and did not rule out a bid for a third term. Kenya Thousands of villagers in northern Kenya fled their homes in fear as new inter-clan violence wracked parts of the remote region after at least 77 people were killed in a brutal massacre.