Security issues may hinder huge hunt for missing Malaysia Airlines MH370
Malaysia calls on neighbours to 'put passengers first' and provide potentially sensitive military data as mystery of missing flight enters day 12
As the mystery over the Malaysia Airlines Boeing 777 jet with 239 passengers and crew on board enters day 12, Malaysian officials issued a new plea for countries to provide information.
We are asking partners … to take another look at primary radar data
Their call - for what in some cases is sensitive military data - illustrates how the search for MH370 has become not only a massive logistical operation covering vast expanses of land and ocean, but a political and diplomatic quagmire.
Malaysia is the only country so far to have shared sensitive military data with other nations to narrow the search by "putting passengers and the plane above national security", it says.
Watch:Malaysian govt: search area for lost jet as big as Australia
Acting transport minister Hishammuddin Hussein told a daily press briefing: "Our focus is on four tasks - gathering information from satellite surveillance, analysis of surveillance radar data, increasing air and surface assets, and analysis of surveillance radar."