German police deployed a bomb disposal robot at an airport overnight after a drone was found on the tarmac near a Ukrainian cargo plane, sparking alarm and forcing the diversion of numerous flights. One aircraft that had to abort its scheduled landing at Leipzig-Halle airport then collided mid-air with an unknown object nearby but later landed safely elsewhere, a government spokesman said. Bild daily reported that the drone found on the tarmac of the eastern German airport carried explosives and a detonator -- but police did not confirm this report to AFP, saying the investigation was ongoing. Watch moreUkraine's strikes on Russian refineries highlight Kyiv's growing drone industry Ukraine ambassador Oleksii Makeiev voiced suspicion that Moscow was behind the incident, telling Welt TV: "Who else could it be but Russia?" The airport in eastern Germany plays a key role in the transport of military goods, including by the German military and NATO allies, and also serves as a base for Ukraine's Antonov Airlines. Read moreRussian barrage on Kyiv region kills at least 17 Video footage from a local news agency showed the bomb disposal robot near an Antonov plane painted with the Ukrainian colours yellow and blue and with the words "Be Brave Like Kherson" written on the side, a reference to a Ukrainian region battered by Russian strikes.