(Reuters) – A Chinese patrol ship hunting for a missing Malaysia Airlines jetliner detected a pulse signal in the south Indian Ocean on Saturday, state news agency Xinhua reported, in a possible indicator of the underwater beacon from a plane’s “black box”. A black box detector deployed by the vessel Haixun 01 picked up the “ping” signal at around 25 degrees south latitude and 101 degrees east longitude, Xinhua said. It has not been established whether the […]