Excerpt:
Police in Basel raided a controversial mosque in the city and arrested two people on Tuesday morning, Swiss media reported.
Speaking to Blick, police spokesman Andreas Knuchel confirmed that an operation was underway at the King Faysal mosque, initiated by the federal migration office.
One reader told the paper that roads were closed by police and no one was allowed to enter or leave the mosque.
Two people believed to be living illegally in Switzerland were arrested during the operation, said news agencies.