Chief criminal investigator of the NBI Jukka Mäkynen says that some of the tips have been handed off to local police for further inquiry.
"Every tip is taken very seriously and is being checked out," he says.
After Tuesday's shootings in Kauhajoki, the NBI intensified its surveillance of the Internet. More employees have been temporarily moved from their ordinary tasks to join those who are trolling websites and chat rooms, looking for potential threats.
Large-scale vaccinations were to have begun in early February, but that will now have to be pushed back.
The carrier will require a negative Covid-19 test certificate of all passengers on flights to Finland as of Thursday.
Foreign minister Reinsalu said Finland's latest decision will in effect cut off work trips between the two countries.
The latest measures are aimed at tackling the spread of new coronavirus variants.
This article brings you the latest updates on the novel coronavirus pandemic in Finland.
