A spokesman for the Air Accidents Investigation Branch said it will be sending a team to investigate the helicopter crash in Gillingham, near Beccles.
Four people are believed to have died in the incident.
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Heavy rain and wind for Scotland and northern parts this weekend with an amber weather warning issued and travel disruption expected.
Heavy rain continues to affect Western Scotland and Northern Ireland
A surgeon linked to two deaths and a series of botched surgeries is to return to work despite an ongoing investigation, ITV News understands