Al-Zarqawi claims responsibility for Baghdad, Baqouba operations &lt;b&gt;...&lt;/b&gt; Some 74 Iraqis were killed in Iraq yesterday while other 154 were injured, most of them are victims of a booby trapped car explosion in Baghdad and an attack in Baqouba, Abu Mus #39;ab al-Zarqawi claimed responsibility for, fighting in al-Ramadi between the 