(S (S (BASENP (NNS Police)) (VP (ADVP (RB quickly)) (VP (VP (VP (VBD closed) (PRT (RP off))) (BASENP (DT the) (NN area))) (CC and) (VP (VP (VBD declared) (BASENP (DT an) (NN emergency))) (PP (IN in) (BASENP (DT all) (NNS hospitals))))))) (PERIOD .))