(S (S (BASENP (NN News) (NN agency) (NNP Reuters)) (VP (VBD was) (VP (VP (VBN told) (PP (IN by) (BASENP (DT a) (NN government) (NN official)))) (SBAR (IN that) (S (NP (BASENP (DT the) (NN possibility)) (PP (IN of) (NP (BASENP (JJ further) (NNS explosions)) (PP (IN from) (BASENP (NNS fireworks)))))) (VP (ADVP (RB also)) (VP (VBD interfered) (PP (IN with) (NP (BASENP (DT the) (NN fire) (NN service) (POS 's)) (BASENP (NN rescue) (NN operation))))))))))) (PERIOD .))