THE HAGUE, Netherlands—Emergency services used a sonar-equipped boat Tuesday in the hunt for the wreckage of a small airplane with two people on board that crashed over the weekend in a waterway that is part of the busy port of Rotterdam. Police in Norway said the two people missing were Norwegians.
The identities of those on board the plane haven’t been released. Police in Norway told broadcaster NRK in Norway that two Norwegian citizens are missing after the crash. Another broadcaster, TV2, said a school has confirmed that one of those missing was a student living in the Norwegian city of Bergen….