gathered including a man who said he is a cousin of the man involved and that man is 36-year-old pierre dyson, his friend said he was recently released from the reno county jail and his cousin said in his words that the man had mental issues. we have been told by the police department that they have special hostage negotiators trying to deal with people in, quote, an altered state. and they are saying those people talking with him. they say that they will stay here as long as necessary. that they are trying to safely diffuse the situation. once again, we are here at mcalister and jones and all of the streets right around here throughout this main thoroughfare of market street have been closed. as we wait to see what will happen with this situation here. a stand-off between one man laying face down, armed underneath his body and his police officers who saying he will not comply and take his arms out from under his body and they are worried that he has a gun. live in san francisco, carolyn tyler, abc 7 news. >> carolyn, thank you for the update. >>> this is causing major closured in downtown sa