rtokens: The Iranian ambassador was also summoned to the ministry in Bonn to hear a sharp protest and " disapproval of this glaring breach of the principles of international law " , he added .
pos: DT NN NN VBD DT JJ NN RB VBD DT JJ NN TO DT NNP NN .
tokens: The ministry spokesman said the German embassy immediately made a sharp protest to the Tehran government .
ltokens: Gust was threatened with violence , then locked into a room to be interrogated on suspicion of " promoting activities hostile to the state " while his guests were taken away , the magazine said .