UPDATE 1-UK Stocks-Factors to watch on May 30

(Adds company news items, futures) May 30 (Reuters) - Britain's FTSE 100 index is seen opening down 11 points at 7,537 on Tuesday, according to financial bookmakers, with futures 0.29 percent lower ahead of the cash market open. * ICAG: British Airways expects to run a full flight schedule at London's Heathrow on Tuesday after a worldwide computer system failure at the airline stranded 75,000 passengers over a holiday weekend, the airport said on Monday.