As Japan increasingly relies on foreign workers, it is also grappling with how to integrate new cultures and religions.
More than 50,000 Muslims from around the world are expected at the Jalsa Salana at the weekend.
Sir Mark Rowley sought to reassure worshippers during a visit to Sutton Central Mosque.
Councillors pass a motion welcoming plans for the borough's first purpose-built mosque.
The replica was placed on top of the bonfire in County Tyrone on Wednesday and lit on Thursday evening.
Church and Muslim networks collaborate on a new faith and community hub.
Families enjoyed performances in the sunshine on Saturday for the 20th year of the event.
The inaugural Eid in the Square event attracts a "fantastic turnout", organisers say.
Saudi Arabia says that is 11,000 more than the number of Muslims who travelled to the Gulf kingdom last year.
