David Cameron has promised to ensure murderers can be kept in jail for life amid suggestions that the Government could introduce 100-year-sentences.
The Prime Minister's comments follow a long-running confrontation with the European Court of Human Rights, which has declared life sentences in England illegal because they offer no "right to review".
Ministers believe they can sidestep the ruling by letting judges sentence for hundreds of years, the Telegraph has reported.
More top news
The airline apologised for the mistake.
The move will reportedly be announced in an emergency budget.
The movement was detected at 11.01pm on Saturday.