Authorities are investigating after a heritage-listed north-west London church described as an "architectural and historical treasure" was destroyed by fire.Some 80 firefighters battled the blaze at St Mark's Church in Hamilton Terrace, St John's Wood, from 11.19pm on Thursday until it was under control at 2.22am on Friday, London Fire Brigade said.

Authorities are investigating after a heritage-listed north-west London church described as an "architectural and historical treasure" was destroyed by fire.Some 80 firefighters battled the blaze at St Mark's Church in Hamilton Terrace, St John's Wood, from 11.19pm on Thursday until it was under control at 2.22am on Friday, London Fire Brigade said.