British Airways is investigating after a stewardess was ordered home following a drunken altercation at a £2,000-a-night hotel in the Maldives.The airline worker was flown back to the UK following complaints about the behaviour of her group.The stewardess, her daughter and a friend had been staying at the Oblu Xperience Ailafushi with the rest of the BA flight team, who had flown from Heathrow to capital Malé last week.