UPDATE: Bloomberg has more; thanks to InstaPundit for the pointer:
Two suitcases containing bottles of gasoline, propane gas and a detonating device that were found abandoned in German regional trains last month were bombs primed to go off and kill a “high number” of people, police said….
The perpetrators are suspected of being members of a “domestic terrorist organization,” [Federal Prosecutor Rainer] Griesbaum said….
Investigators found pieces of paper with Arabic letters and telephone numbers from Lebanon in clothes which were in the suitcases to pad the gas bottles, he said. They also found starch bags from Lebanon which were sold in a store in or around Essen, a city in North-Rhine Westphalia….