The Welsh and Cardiff city governments try to address these problems with more urban regeneration - and sometimes with increased monitoring of immigrant areas and programmes to foster tolerance among Welsh people.

BBC: Wales' race tension and tolerance

Salam al-Marayati, founder of the Muslim Public Affairs Council ( MPAC), was chosen by the Obama administration to deliver remarks in Warsaw, Poland- home to one of the largest Jewish ghettos during the Holocaust-during the OSCE's Human Dimension Implementation Meetings ( HDIM), a 10-day gathering meant to foster the "promotion of tolerance, " according to the group's website.

CENTERFORSECURITYPOLICY: Anti-Israel Advocate Reps U.S. at Rights Conference