Ferrovial 'bids for Glasgow, Aberdeen and Southampton airports'
The Spanish firm Ferrovial has made an offer to buy Glasgow, Aberdeen and Southampton airports, according to reports.
The Reuters news agency said the company had offered £800m to Heathrow Airport Holdings (HAH).
Ferrovial has declined to comment on the report.
The company already part-owns Heathrow, the UK's busiest airport, and holds a 25% stake in HAH, which was previously known as BAA.