Business
Heathrow Airport warns third runway could be delayed by four years
The UK's busiest airport cautions it may miss the government target of 2035 as ministers say the deadline has "always been ambitious".
BBC Business•
The UK's busiest airport, Heathrow serves more than 80 million travellers a year with its two runways and four passenger terminals in west London
Heathrow Airport has warned that its planned third runway might be delayed by four years due to planning and regulatory issues.
The government had hoped the new runway at the UK's busiest airport, estimated to cost £33bn, would open by 2035.
London Mayor Sadiq Khan has always opposed the new runway, warning of the impact on noise, air pollution and climate change.