LONDON (Reuters) - Holidaymakers are bracing themselves for industrial action which is expected to throw transport networks into chaos over the nation's long holiday weekend.

British Airways will draft in senior managers, including its chief executive, to help out at busy London airport terminals after staff shortages caused flight cancellations this week.

Europe's second-largest airline cancelled three more return flights on Thursday following severe disruption two days ago and braced for further problems this weekend.

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