rtokens: The KDP charges that the rival Patriotic Union of Kurdistan , which took control of Arbil in fighting in December 1994 , has backing from Iran .
pos: NNP NNP NNP NNP VBZ VBN DT NN IN NNP NN IN DT NNP NN IN NN TO DT JJ NNS .
tokens: U.S. President Bill Clinton has authorised the repositioning of U.S. firepower in the Gulf region in response to the Iraqi attacks .
ltokens: A U.N. official in Baghdad said the KDP , backed by Iraqi tanks , heavy artillery and helicopters had taken control of the main northern Iraqi city of Arbil after fighting on Saturday .