A police officer investigates a suspected arson in the basement of a mosque in the southern Swedish town of Eslov

A police officer investigates a suspected arson in the basement of a mosque in the southern Swedish town of Eslov December 29, 2014. Fire ripped through a Swedish mosque early on Monday in the second suspected arson attack on a Muslim centre in four days in a country caught up in a fierce debate on immigration. Firefighters extinguished the blaze in the southern town of Eslov and no one was injured, local media reported. REUTERS/Drago Prvulovic/TT News Agency (SWEDEN – Tags: CRIME LAW SOCIETY IMMIGRATION RELIGION) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. SWEDEN OUT. NO COMMERCIAL OR EDITORIAL SALES IN SWEDEN