dr alex bristow, thanks very _ on written. dr alex bristow, thanks very much. -- - on written.y much. —— britain. thank you. moving on to the us, where its top aviation regulator has some 5harp words for boeing on the heels of a recent visit to the plane maker's facilitie5. 0ur north america bu5ine55 correspondent erin delmore has more from new york. federal aviation administration chief michael whitaker say5 federal aviation administration chief michael whitaker says it is time boeing focu5 le55 is time boeing focu5 less on reduction and more on safety and quality where, mr whitaker 5ay5, and quality where, mr whitaker says, bowing's priorities have not been. he visited bowing's facilitie5 recently and spoke about his impressions and findings in an interview with nbc nightly new5 stop specifically, he nbc nightly news stop specifically, he called out issues around the safetyculture at boeing. his comments come as boeing remains under the microscope for federal aviation officials, lawmakers, business leaders, and travellers. that's on the heels of a january incident involving a