GERMANY-AIRPORT-INCIDENT(01 of13)
Open Image ModalFirefighters with multiple vehicles stand in front of Hamburg airport as passengers leave the terminal on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-AIRPORT-INCIDENT(02 of13)
Open Image ModalFirefighters take care of a person on a stretcher inside Hamburg airport on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-AIRPORT-INCIDENT(03 of13)
Open Image ModalFirefighters with multiple vehicles stand in front of Hamburg airport as passengers leave the terminal on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-AIRPORT-INCIDENT(04 of13)
Open Image ModalFirefighters with multiple vehicles stand in front of Hamburg airport as passengers leave the terminal on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-AIRPORT-INCIDENT(05 of13)
Open Image ModalFirefighters with multiple vehicles stand in front of Hamburg airport as passengers leave the terminal on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-AIRPORT-INCIDENT(06 of13)
Open Image ModalFirefighters with multiple vehicles stand in front of Hamburg airport as passengers leave the terminal on February 12, 2017 in Hamburg, northern Germany, as German emergency services evacuated the airport after people reported an unusual smell as well as respiratory ailments and watering eyes.\n\'The airport has been completely closed\' since 1132 GMT, said Maik Lewerenz of the federal police office at the airport. / AFP / dpa / Axel Heimken / Germany OUT (Photo credit should read AXEL HEIMKEN/AFP/Getty Images) (credit:AXEL HEIMKEN via Getty Images)
GERMANY-SECURITY/AIRPORT(07 of13)
Open Image ModalPassangers wait to re-enter the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-SECURITY/AIRPORT(08 of13)
Open Image ModalThe passangers re-enter terminal building at the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-SECURITY/AIRPORT(09 of13)
Open Image ModalFiremen are seen outside the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-SECURITY/AIRPORT(10 of13)
Open Image ModalPassangers walk outside the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-SECURITY/AIRPORT(11 of13)
Open Image ModalFiremenare seen outside the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-SECURITY/AIRPORT(12 of13)
Open Image ModalFiremen and paramedics are seen outside the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)
GERMANY-AIRPORT/(13 of13)
Open Image ModalFiremen and paramedics are seen outside the Helmut Schmidt airport in Hamburg, Germany February 12, 2017. The airport was closed after unknown substance was found during security check. REUTERS/Fabian Bimmer (credit:Fabian Bimmer / Reuters)