5 soldiers killed in Iraq; copter down 12:32 PM CST on Friday, January 28, 2005 Associated Press BAGHDAD, Iraq - Authorities in Iraq have arrested three close associates of Abu Musab al-Zarqawi, officials said Friday, claiming to be close to capturing the al-Qaida-linked terror mastermind himself two days ahead of historic elections that extremists have vowed to subvert. The announcements, made days after the arrests, appeared aimed at helping reassure Iraqis about security ahead of Sunday's polls. Still, violence continued: Insurgents killed five U.S. soldiers, set off a suicide car bomb that killed four Iraqi policemen in Baghdad and targeted...