CAIRO - Egyptian protesters set fire to Muslim Brotherhood headquarters in the capital Cairo on Thursday in response to Wednesday's clashes that killed six people and injured over 1,000, said the Brotherhood's official website.

The website said that over 3,000 protesters broke into the Brotherhood's main headquarters and set fire to its contents.  

Protesters also attacked the Brotherhood's headquarters and buildings in other governorates on Wednesday evening following the clashes between supporters and opponents of President Mohamed Morsi.

In Ismailia city, protesters stormed the MB headquarters with stones and Molotov cocktails, while in Suez they broke into the headquarters of the MB's Freedom and Justice Party (FJP) and set its assets ablaze.

A fire burns at the main office of the Muslim Brotherhood as Egyptian protesters run in Cairo Dec 6, 2012. [Photo/Agencies]