right now. out front next the breaking news, a u.s. flag in flames as massive protests break out in iran following u.s.-led air strikes in yemen. and tonight biden threatened more strikes to come. plus a cnn investigation tonight. gaza hospitals on the edge of collapse. a top target for israel, which says hamas is using some as command centers. so tonight we have an in-depth look what is actually happening inside those hospitals. it is a special report you will see first here out front. and just in tonight, ron desantis going straight to south carolina after iowa even though new hampshire comes first. he ll be in both on the same day. is it a smart move? john king is here with me at the magic wall. let s go out front. and good evening. i m erin burnett on this friday. out front tonight the breaking news, protesters burning the american flag on the streets of iran. you can hear them chanting, saying an attack on yemen equals war. these images coming out of tehran tonight c
reporter: it s as if the kremlin s doing everything to make navalny s sentence last year extended to more than 30 years as miserable as possible. conditions at the remote polar wolf colony where he was secretly transferred last month, his family losing contact with him for over two weeks. a notoriously tough with dark, freezing winters. in 2021 state controlled russian television was granted access to the colony where long-term inmates including some of russia s most notorious criminals work in spartan conditions. navalny s supporters concerned for huis welfare say it s far harder now to monitor his condition. it is in the north so it s very cold there. and even today the light there is for two hours per day, so i mean the conditions like the environment conditions there are