The United Nations and the world’s largest Islamic grouping appealed for calm after more clashes linked to global protests over Danish cartoons of Prophet Mohammad.

Kuwait’s state-supported supermarkets today announced a boycott of Danish products, and the Foreign Ministry called in a regional Danish ambassador to protest at caricatures in a Danish newspaper that have been deemed insulting to Islam’s prophet.

Leaders and ministers of more than 50 Muslim countries urged their nations to fight terrorism and called for moderation within Islam, as they opened a summit yesterday in a palace overlooking Islam’s holiest shrine.