The defendants' lawyers said the group were only studying the ideologies of the Islamic Liberation Party and not recruiting others to follow its beliefs.
The Islamic Liberation Party was formed in Jordan in 1953 by Taqi Eddin al-Nabahani, a Palestinian who died mysteriously in the Palestinian territories in 1978.
The Syrian opposition Islamic Liberation party
has accused the regime in Damascus of launching a new crackdown against Islamists in Syria and Lebanon as part of a deal with Israel.
Clandestine organizations, offshoots of the Muslim Brotherhood, are alleged to be organized under the umbrella of the Islamic Liberation Party
, with headquarters near Hamburg, Germany.
Government repression of Tunisia's Islamic Tendency Movement since 1981, when its application for legal status as a political party was rejected, has led to the emergence of two more-militant underground groups, the Islamic Liberation Party
and Islamic Jihad.
Mr Nisbet, aged 29, and Mr Pankhurst, 28, both from London, and 26-year-old Mr Nawaz, from Westcliff-on-Sea, Essex, were accused of attempting to revive Hizb-ut-Tahrir, the Islamic Liberation Party
Mr Nisbet, 29, and Mr Pankhurst, 28, both from London,and 26-year-oldMr Nawaz, from Westcliff-onSea,Essex, were accused of attempting to revive Hizbut-Tahrir, the Islamic Liberation Party
All three face charges of trying to revive the banned Hizb-ut-Tahrir, Islamic Liberation Party
A spokeswoman said it was unclear why the men had been arrested, on April 1, but according to other reports, the four were being detained on suspicion of being members of the terrorist cell, the Islamic Liberation Party.
The Islamic Liberation Party, also known as Tahrir, was founded by Palestinians in 1952 and is suspected of a number of terrorist operations.
Dr Waheed has travelled extensively round the Islamic world and given hundreds of lectures on the beliefs of his group - translated into English as the Islamic Liberation Party
- and is quick to point out the reasons why many Muslims take issue with the West's policy towards them.
Dr Waheed, speaking in his capacity as a spokesman for the Islamic Liberation Party
, which is also known as Hizb ut-Tahrir, said three of the four were members of the group.