CNN CNN Newsroom Live January 4, 2016 07:33:00
Demonstrators stormed in tehran to protest the execution of a cleric. have been rivals for years.rchy- >> but observers say this escalation is especially worry somegiven the existing conflicts throughout the region. becky anderson has more on that. >> reporter: a measure of the furry that erupted in parts of the middle east after the execution of al nimr. he also condemned the killing of the shiite cleric saying it violated human rights and islamic values. and labeled it another example of, quote, sectarian policies that he said are destabilizing the region. it's a view echoed by shiite