Chinese journalists covering the missing Malaysia Airlines flight MH370 from Canberra are furious at what they see as Australian government control of the media.

On Sunday, two Chinese crews decided to chase Deputy Prime Minister Warren Truss into a car park at the Australian Maritime Safety Authority after being denied access to an AMSA briefing attended by Australian media.

"This wouldn't even happen in China": George Yang. Credit:Andrew Meares

The crews held an impromptu interview with Mr Truss but have complained at being ''locked out'' of any chance to put questions to AMSA boss John Young. On Monday, AMSA posted a security guard at the front of its headquarters.

George Yang, the chief correspondent for Hong Kong's Phoenix Satellite Television, said he had been asked to prove his credentials while he prepared to do a cross from public land. ''This wouldn't even happen in China,'' Yang said.