and continue to persist in the roadway you may be subject to use of force including chemical agents and impact weapons. chemical agents and impact weapons. we have been watching the pictures all afternoon. and police have been clearing these parts. this is late last night. police in portland, oregon have been warning protesters to leave their encampment. these are live pictures from koin. right now the demonstrators are blocking a street. they seem to be daring police to arrest them. sam adams, the mayor of portland, is live via telephone. as we look at the live pictures, can you tell us why you are taking this action now? well, we the encamp mentes for occupy portland is just a block away and we had a series of increased drug overdoses, we had to bring people back to life. we had an arsonist that used a camp camouflaged for his work, 20% increase in crime surrounding the encampment and the organizers of the encampment themselves issued a statement a week or so ago sayi