Rio Tinto (RTP -2.1%) says it's "surprised" by China's spying allegations against four of its...

|About: Rio Tinto plc (RIO)|By:, SA News Editor

Rio Tinto (RTP -2.1%) says it's "surprised" by China's spying allegations against four of its employees, including an Australian citizen, as China seems to widen its espionage probe. Australian Prime Minister Kevin Rudd played down any threat to the countries' relations.