A woman with two small children has been arrested at Frankfurt Airport after she was suspected of carrying a bomb in her bag.

Police found traces of explosives in her bag after she was stopped for a security check at the terminal.

The incident caused the evacuation of a terminal, plunged passengers into panic and caused long delays for incoming and outgoing flights.

After she was arrested police reported no explosive device or material was found but that traces of explosives were discovered in her rucksack. She continues to be questioned.

Earlier reports said she fled through the checkpoint and got lost amid the thousands of people in the terminal. Now it appears she was immediately apprehended.

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Parts of a terminal at Germany's busiest airport in Frankfurt have been shut down completely and evacuated amid reports a woman with two small children was carrying a bomb

People arriving on jets from across the world were forced to sit and wait in their planes on runways and holding areas

Media reports had earlier said the woman was stopped near gate A at Terminal One but fled through to the security area without being searched

People arriving on jets from across the world were forced to sit and wait in their planes on runways and holding areas while the hunt for the suspect got underway.

The suspicion was that she had an explosive device, or components for one, in her hand luggage.

The airport is now being reopened.

Passengers were ordered to leave terminals A and A+ 'immediately' as the drama unfolded.

Officials at the airport wrote on Twitter confirmed a person had breached the security without undergoing required searches.

German police have evacuated two terminals at Frankfurt Airport this morning amid a bomb alert

Passengers were been ordered to leave terminals A and A+ 'immediately'

The message said: 'Today at Frankfurt Airport a passenger entered the security area before the security check had been completed.

'Therefore the German federal police cleared departure hall A as a preventative measure. Passengers will be rechecked prior to departure.'

According to Bild, passengers were told over loudspeakers: 'All visitors are asked to leave the building immediately. Levels 1 and 2 of the terminal to be evacuated.'

Passengers were told over loudspeakers: 'All visitors are asked to leave the building immediately. Levels 1 and 2 of the terminal to be evacuated'

Furious passengers demanded more information on Twitter as the emergency unfolded

Passengers have been ordered to leave terminals A and A+ 'immediately' amid reports of a security breach (file picture of Frankfurt Airport)

Furious passengers demanded more information on Twitter with one saying: 'What a mess evacuation of #frankfurt #airport. No information. Thousands passengers don't know where to go. Nobody knows anything.'

Others said the evacuation was due to a 'bomb scare'.