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In June, a British Airways flight from Singapore to London Heathrow hit such severe turbulence over the Bay of Bengal that the plane had to return to its starting point to check for possible damage.

The expert added some parts of the world are "more turbulence prone". He said flying above the South Atlantic, above Africa and the Bay of Bengal can be more turbulence-prone, based on his knowledge.

The Sun first reported that BA flight 12 from Singapore Changi to London Heathrow Airport on Friday encountered severe turbulence over the Bay of Bengal, injuring five flight attendants.

A low-pressure area has formed earlier than expected over west-central and adjoining north-west Bay of Bengal off north ... A supportive zone of monsoon turbulence (shear) where opposing winds ...