Afghanistan, Jan. 19 -- Iran's state television was briefly hacked during recent unrest, airing protest messages and speeches as authorities acknowledged heavy casualties from the crackdown.

Iran's state broadcaster was briefly disrupted on Sunday night after a cyber intrusion replaced regular programming with speeches by US president Donald Trump and exiled opposition figure Reza Pahlavi, Reuters reported.

The report said Iran's state TV, known as IRIB, aired images calling on people to protest and rise up, before normal broadcasts were restored. Authorities did not immediately identify those behind the hack.

Social media posts suggested that streets across Iran have appeared calmer over the past week, following protests that began in l...