The New York Times reports: A senior European counterterrorism official said on Thursday that spy services in several countries had increased their monitoring and surveillance, and governments had put heightened security measures in place, even before recent arrests in Belgium and Turkey.

Hours after the official spoke, the police in the southern German city of Munich evacuated two train stations and warned residents to avoid large groups of people, citing “concrete hints” of a possible terrorist attack amid New Year’s celebrations.

Joachim Herrmann, interior minister for the state of Bavaria, of which Munich is the capital, told reporters early Friday that the German authorities had been tipped by a foreign intelligence service that the Islamic State was linked to a plot to carry out attacks in Munich.

Hubertus Andrä, head of the Munich police, said officials suspected that several suicide bombers had planned to carry out the attacks. [Continue reading…]