Members of several anti-nuclear activist groups plan to hold a demonstration on Horseguards Avenue in central London at 1200 on Jan. 24, then march via Whitehall to Parliament Square for a 1400 rally. The extent of participation is unknown, but protesters will likely number in the hundreds.

Trains between Geneva International Airport and CFF station will be suspended from January 22-24 and January 26-29, due to scheduled maintenance work.

European authorities know of up to 20 sleeper terrorist cells consisting of between 120 and 180 people that are planning attacks in France, Germany, Belgium, and the Netherlands. European Union and Middle East intelligence agencies identified an imminent threat to Belgium and possibly also to the Netherlands.