Passengers heading through security at Glasgow Airport have faced unexpected delays due to an ongoing security incident.

Travellers looking to pass security to get on their flights started revealing on social media about the delays just before 2pm today.

What is happening at Glasgow Airport?

A passenger told the Glasgow Times that 'police stations' were set up before duty-free at security.

He advised that every passenger was getting their passport manually checked before they were allowed through. 

LIVE BLOG: Click here for all the latest updates in the ongoing airport security incident.

This is the section of the airport where you normally scan your boarding pass before placing your items on a conveyor belt to be checked by scanners.

At this section, you also walk through a detector and can be searched. The Glasgow Times understands this is where the delay is. 

The Glasgow Times also understands that the queue is now massive due to the extra checks causing delays. 

Glasgow Times:

Why the extra checks at Glasgow Airport?

Passengers are being told that UK Border Forces are dealing with a national incident. The passenger who spoke to The Glasgow Times said he believed that police were looking for someone. An official source has not commented on this. 

Are flights still taking off at Glasgow Airport?

The airport's real-time information board shows that the flights appear to be running as normal. 

Will I miss my Glasgow Airport flight?

Some passengers have suggested they have missed flights on social media as flights appear to be taking off at normal time. 

What are the airlines saying at Glasgow Airport?

Loganair told one passenger: "In light of all airlines being affected by the recent security situation, please allow additional time to retrieve your luggage.”

Is this happening at Manchester Airport as well as Glasgow Airport?

Similar tweets have appeared on social media describing the same scenes at Manchester Airport. 

Manchester Airport replied saying: "We’re sorry that you experienced a prolonged security queue.

"Our security teams work hard to ensure the safety and security of all at Manchester Airport and carry out important checks set by the UK Government."

What are Glasgow Airport saying?

A spokesperson for Glasgow Airport said: “Additional temporary security measures have been put in place by UK Border Force. Understand this is UK wide.