The Jamiat Ulema-i-Islam-Fazal (JUI-F) is a right-wing party with ideological links to the Deobandi orientation of Islam.

BBC: Q&A: Pakistan's parliamentary elections

But some alumni of Britain's Deobandi institutions do advocate self-segregation by Muslims, especially where local indigenous culture is dominated by alcohol and drugs.

ECONOMIST: Islam in Britain and South Asia

While most followers of the Deobandi line, which stresses the brotherhood of all Muslims over national or civic ties, are perfectly peaceful, their doctrine can inspire extremism.

ECONOMIST: Muslim extremism in Europe

Tim Winter, an influential British convert to Islam, believes that for all their narrow intensity, the British Deobandi seminaries won't foster violence: their ethos is cautious and traditional.

ECONOMIST: Islam in Britain and South Asia

Beginning with the Muslim Brotherhood of Hassan el-Banna in 1928, followed by the movements founded by Islamist ideologues like Abul ala Maududi, Sayyid Qutb and the extremist Deobandi creed in South Asia, radical Islam established a strong presence in the Muslim world in the second half of the 20th century.

CENTERFORSECURITYPOLICY: Alexiev testifies on Wahhabi influence in US