The Japanese Transport Ministry has said that Boeing 787 jets are being grounded for safety checks after an emergency landing of a 'Dreamliner' jet earlier.
The U.S. Federal Aviation Administration it is monitoring this latest Boeing 787 incident.
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Sir John rejected the PM's Brexit vision as "unreal and over-optimistic" as he accused negotiators of "souring" the atmosphere for talks.
Lively start to the week
White House budget officials outlined the information during a telephone call with reporters given on condition of anonymity.