Al Qaeda chief Ayman al-Zawahri warns of the ‘gravest consequences’ if Dzhokhar Tsarnaev is executed


Washington : Notorious al-Qaeda leader Ayman al-Zawahri has warned the US of the “gravest consequences” if Boston marathon bomber Dzhokhar Tsarnaev, or any other Muslim prisoner, is executed. Tsarnaev, 22, has been sentenced to death for his role in the 2013 terrorist attack that killed three and injured more than 260 people at the finishing line of the Boston marathon.NewsS