Clashes erupt as protestors call for the release of detained activists during a march from Amman's Hussein Mosque following Friday prayer on September 21, 2012.

A police officer tries to break up the fight between protestors, while other demonstrators and media look on.

A mix of hundreds of protestors walk together through downtown Amman after Friday noon prayers, some calling for the release of detained activists, while others rally for the government.

A demonstrator uses his megaphone to drown out the chants from the pro-government protestors, calling for the release of detained activists.

Men climb a ladder to shout their support for the government while police officers blocked them from demonstrators on the other side of the street.

A demonstrator holds a sign mocking Jordan's Prime Minister Fayez al-Tarawneh: "Tarawneh: Raises prices. One Vote. Arrests. Media law."

Hundreds of protesters gather in downtown Amman after Friday noon prayer. Activists mix with pro-government demonstrators, police and media, holding up signs that directed to those arrested in the past three weeks here in Jordan, "Freedom Arrested, You are the first and we will follow you."