(CNN) Opponents of Turkey's controversial referendum to expand the powers of President Recep Tayyip Erdogan vowed to challenge the result Sunday, after he claimed victory for the "yes" vote by the slimmest of margins. Rules challengedOpponents of the referendum result are expected to take to the streets across the country Monday to protest the result. JUST WATCHED Turkish referendum: A country divided Replay More Videos ... MUST WATCH Turkish referendum: A country divided 01:36Rise to powerErdogan won his first Presidential election in 2014 after serving as prime minster for more than a decade. Erdogan supporters wave flags near the AKP headquarters in Ankara. Erdogan, Erdogan, Erdogan."

Source: CNN April 17, 2017 05:06 UTC