The Turkish main opposition party CHP holds a massive rally in Istanbul after the Supreme Court upheld a sentence against the party’s Istanbul head, Canan Kaftancioglu, for multiple charges including "terrorist propaganda" and insulting President Recep Tayyip Erdogan. As the economic situation deteriorates rapidly ahead of the 2023 elections, the CHP and other opposition parties are presenting a unified front against President Erdogan's AKP, which has been in power since 2002. IMAGES AND SOUNDBITES