Indonesian legislators on Friday chided a Portuguese effort to extradite former President Suharto, describing the proposal as impossible and unreasonable. Indonesia's military said Friday that it was ready to act against a threat from an East Timor rebel group to launch terrorist attacks. A U.N. envoy said Wednesday he was making progress in his efforts to mediate a settlement between Portugal and Indonesia on the disputed territory of East Timor, news reports said. A fourth soldier was missing and believed killed.