The protestors condemned dictatorial policies of Bahrain regime and called for release of Sheikh Ali Salman and other political prisoners in Bahrain.
They also carried placards that said the support of British Government for the policies of intimidation and torture of Bahrain regime are condemned.
The demonstrators said British interests in Bahrain cannot be guaranteed by supporting brutalities of Bahrain regime.
They also urged Saudi Arabia to finish its occupation of Bahrain.
In his struggles against the dictatorial regime of Bahrain, Sheikh Ali Salman was first imprisoned in 1994 and then was exiled to England. He went back to Bahrain in 2001 and since then has been Secretary General of al-Wefaq National Islamic Society.