CLEAN : 26 people treated after London airport chemical incident 3

The transcript describes a chaotic situation at an airport. Initially, instructions are given for passengers to move forward and go through security. Later, it is revealed that a flight to Madrid has been canceled after a long wait, causing uncertainty about future travel plans. The scene at the airport is described with people standing around, emergency services present, and general confusion among passengers.

What information was the speaker seeking regarding future flights?

What were the people at the airport doing after the initial commotion?