The original report was in the Telegraph: Muslim prayers in Church of England parish.
The Church Times later reported: Canon Goddard apologises for Muslim prayers in his church.
So also did Christianity Today No more Muslim prayer services in churches, says bishop.
The official statements:
Diocese of Southwark 1: A statement concerning recent events at St John’s Waterloo
St John’s Waterloo: Statement from Canon Giles Goddard
Diocese of Southwark 2: A statement from the Bishop of Southwark concerning St John’s, Waterloo
Kelvin Holdsworth has written about this: Welcoming Muslims into church.