Flights were suspended at two airports after the environmental activist group Last Generation launched protest actions at several German airports on Thursday. The actions targetted the Berlin-Brandenburg, Stuttgart, Nuremberg and Cologne-Bonn airports, dpa photographers on site confirmed. Flight operations at Cologne/Bonn Airport were interrupted after around 5:45 am (0345 GMT) as two people had attached themselves to the pavement on an access road to a runway, said a spokesman for the Federal Police. They were removed and flights have since resumed, though the airport said there could still b…