Pompeo condemns Iran's 'barbaric' execution of dissident

US Secretary of State Mike Pompeo on Monday denounced as "barbaric" adversary Iran's execution of opposition figure Ruhollah Zam, who ran a popular social media channel.

"The US strongly condemns Iran's unjust, barbaric execution of Ruhollah Zam, an Iranian journalist kidnapped abroad by the regime," Pompeo wrote on Twitter.