BRUSSELS  Air traffic at Brussels Airport was temporarily halted on Wednesday evening following the sighting of a possible drone near the airfield, Bruzz news portal reported. As a precaution, flight operations at the airport in Zaventem were suspended for about half an hour, Belgian air navigation service provider Skeyes confirmed. Air traffic resumed around 11.20 pm local time (2220GMT)., while no departing flights were scheduled after 10 pm (2100GMT), according to airport authorities. At