Berlin Half Marathon arrests: 6 accused of planning stabbing rampage, police say

German authorities had been watching the suspected terrorists for weeks.

Tipped off by a foreign intelligence agency, they believed at least one of them had a link to Anis Amri, a Tunisian who barreled a truck through a Berlin Christmas market in the last Islamic terrorist attack on German soil, according to the Associated Press . Police were watching one suspect's movements around the clock.

On Sunday police said they arrested the man and five co-conspirators and foiled an alleged plot intended to inflict horror.

Continue reading: Washington Post