In Iran, a death sentence has been imposed for the first time in connection with the weeks of protests against the country's leadership.

A court in the capital Tehran has handed down the death penalty to a participant in the protests, the judicial authority said on its website Misan Online on Sunday.

The convict was found guilty, among other things, of setting fire to a government building, "disturbing public order" and threatening "national security".

He is also accused of "corruption on earth" and being an "enemy of God", one of the most serious criminal offenses under Iranian law.

According to Misan Online, another Tehran court also sentenced five defendants to prison terms of between five and ten years for “conspiring to commit crimes against national security and disturbing public order”.

Those convicted can still appeal.

Iran has been shaken by a sustained wave of protests since the death of the young Kurdish woman Mahsa Amini on September 16.

Amini was arrested by the moral police because she is said to have worn her headscarf improperly.

She died a short time later in hospital.

Scores of people - mostly demonstrators but also security forces - were killed during the protests.

The Iranian authorities have condemned the demonstrations as "riots".