FIRST ON 7: An Adelaide-based exploration company believes it may have located the wreckage of Malaysia Airlines flight MH370, 5000km away from where authorities have been looking. The company, GeoResonance, says its research has identified elements on the ocean floor consistent with material from a plane. Six weeks have now passed since the plane disappeared and extensive searches in the Indian Ocean have failed to locate any wreckage. Today, Prime Minister Tony Abbott admitted the chance of finding debris on the surface is slim to none. Air search for MH370 called off: Abbott He said efforts will not focus on...