London City Airport has declared a ‘chemical incident’ London Fire Brigade has confirmed.
They have confirmed that hundreds of passengers were ordered to leave the terminal building and no flights are currently able to take off or land.
It is believed 26 people are being treated after suffering breathing difficulties with two taken to Hospital.
Around 500 members of the public and staff have been evacuated and there are reports of a number of passengers feeling unwell.
Further details to follow.