BAGHDAD, Iraq (AP) - U.S. and Iraqi troops battled Sunni insurgents hiding in high-rise buildings on Haifa Street in the heart of Baghdad Wednesday, with snipers on roofs taking aim at gunmen in open windows as Apache attack helicopters hovered overhead.

Iraq said 30 militants were killed and 27 captured.

New details also emerged about the downing of a private U.S. security company helicopter on Tuesday, with U.S. and Iraqi officials saying four of five Americans who died in the incident were shot execution-style. Violence was unrelenting in Iraq on Wednesday, with at least 69 people killed or found dead, including 33 tortured bodies found in separate locations in Baghdad.

With President Bush pushing a controversial plan to increase troops strength in Iraq, government spokesman Ali al-Dabbagh said the latest joint raid was aimed at clearing the Haifa Street area of