Greek police has ordered that metro station <Syntagma> in downtown Athens will be closed to public as of 9 ‘o clock in the the morning on Monday, 29. Jan 2018. The closure is one of the strict security measures during the official visit of the President of Israel, Reuven Rivlin, in Athens.
It will be up to police to decide when the metro station will open again.
The metro wagons will pass through the station but will not halt.
source: amna
UPDATE: Greek police opened the metro station at 11:10 am Monday.