MADRID — Belgian police arrested 14 suspected extremists Friday on suspicion of plotting the prison break of a charismatic Al Qaeda operative serving a 10-year sentence for planning a suicide bombing of a NATO base. Amid the most urgent terrorism alert in Belgium in years, police rounded up a group that they suspect had intended to use guns and explosives to aid the escape of Nizar Trabelsi, one of the first extremists imprisoned in Europe after the Sept. 11 attacks. for more click here