PRAGUE (Reuters) – The Czech Republic is considering “all options” concerning its engagement with the China-led 16+1 platform for cooperation with central and east European states, the Foreign Ministry said on Friday. Several past Czech governments as well as President Milos Zeman have been keen to deepen ties with China, but the interest has cooled since a series of failed Chinese investment projects, Czech warnings against Chinese 5G telecoms technology and a change of government in Prague last year. “The main initiatives of 16+1, economic diplomacy and the promise of massive investments and…