Due to a broken catenary, there are hardly any trains to and from Schiphol. The NS will operate with an adjusted timetable until the problems are resolved, can be read on the carrier’s site.
Due to the broken catenary, train traffic south of Amsterdam is severely disrupted. Trains still run from Amsterdam Central and Amsterdam South, but much less. From Leiden Central there are no trains at all to the airport and beyond.
The problems are expected to be resolved around noon.