Group With Alleged Qaeda Ties Claims Responsibility for St. Petersburg Metro Bombing The group, the Imam Shamil Battalion, said a suicide bomber acted on the orders of Ayman al-Zawahri, the Qaeda leader, and it threatened additional attacks. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Congress, California, Amazon: Your Thursday Evening BriefingNew Zealand’s Prime Minister Says That She Is PregnantPolice Bust a Chinese Mafia in the Country that Invented the TermWarming, Water Crisis, Then Unrest: How Iran Fits an Alarming PatternEgypt’s Sisi Fires Spy Chief as Shuffle of Top Aides ContinuesRoy Bennett, White Zimbabwean With Black Political Base, Dies in U.S. Helicopter Crash