All this discussion about carry-on weights etc., dangers and occupational health and safety has been hashed to death on many FT threads/forums. It should be left to them.

This thread is about the OP - who has been given incorrect advice.

They were told they could have ONE and only ONE carry-on item when they are actually permitted ONE carry-on of up to 7Kg AND one 'personal item' which can be a laptop case.