Ammunition, pistols, a grenade and other dangerous items were apparently found in the apartment of former RAF terrorist Daniela Klette. Investigators arrested the 65-year-old in Kreuzberg on Monday evening.

Klette is accused of having attempted to carry out an explosive attack on a building in Hesse, Germany, in 1990. The explosion caused damage to the building around 123 million German marks (roughly 123 million euros) Klette lived underground for 30 years and is also said to have attempted to kill other RAF members.