Saxon genitive

[Esac]

Hello,

Could anyone tell me if the following sentence requires the use of the Saxon Genitive please? Or is it incorrect?

It was on last Friday's Edinburgh Metro

Many thanks,

Esac

[Mister Micawber]

If 'metro' refers to regular and frequent train or subway service, then the sentence is wrong, and it should read 'on the Edinburgh Metro last Friday'. If 'Edinburgh Metro' is the name of a specific train service that runs only once a day or once a week, then 'last Friday's Edinburgh Metro' is fine.
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Native English teacher at Mister Micawber's

[Esac]

Hi and thanks for your reply.

I am sorry I didn't provide enough context. 'Metro' is a free newspaper in Britain and the one I am talking about brings the news from Edinburgh. Would the genitive then work in that sentence?

Many thanks

[Mister Micawber]

Yes.
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Native English teacher at Mister Micawber's