Dhaka, May 31 -- East London Mosque has lost £1 million in an investment, prompting the UK's Charity Commission to issue a formal warning to the mosque's governing trust.

The regulator found that trustees failed to exercise sufficient oversight of the mosque's charitable operations.

Unless the East London Mosque Trust takes corrective action within six months, it risks triggering a full investigation.

Founded in 1910 through efforts by the UK's Muslim community, the mosque has long been supported primarily by British Bangladeshis.

The East London Mosque, among the largest in Europe, is run by a board of 12 elected trustees, most of whom are of Bangladeshi origin.

Each year, the mosque raises between £4 and £5 million t...