Get the Travel Insider newsletter for tips, deals, and inspiration from our global travel editor Get inspired with our free Travel Insider newsletter Get inspired with our free Travel Insider newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy noticeGerman state prosecutors have taken over an investigation after a drone carrying an explosive device was discovered at Leipzig/Halle airport. The north runway has since reopened, while the south runway remained closed into Wednesday. German airports are on high alert after a series of unauthorised drone overflights at sites including military facilities, energy terminals, seaports and logistics companies. DHL Group CEO Tobias Meyer said the German logistics firm was still studying the overnight incident, but trying to minimise the effect on customers.