(S (S (BASENP (NNS Police)) (VP (VBD were) (VP (VP (VP (VBN notified) (PP (IN of) (NP (BASENP (DT the) (NN incident)) (PP (IN at) (NP (BASENP (DT the) (NNP Co-operative) (NNP Bank)) (PP (IN on) (NP (BASENP (NNP Market) (NNP Street)) (COMMA ,) (BASENP (NNP Watford))))))))) (PP (IN at) (NP (BASENP (RB approximately) (NN 1020) (NN BST)) (PRN (LRB -LRB-) (BASENP (NN 0920) (NN UTC)) (RRB -RRB-))))) (BASENP (NNP Thursday))))) (PERIOD .))