It wasn't a problem inside reuters, but their 3rd party provider called (Taboola), which injects ads on reuters. So once Taboola hacked, the ads system started injecting a script to redirect that page to another one.
Finally: Be careful with those 3rd parties ads tools etc.
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[TD;DR]
It wasn't a problem inside reuters, but their 3rd party provider called (Taboola), which injects ads on reuters. So once Taboola hacked, the ads system started injecting a script to redirect that page to another one.
Finally: Be careful with those 3rd parties ads tools etc.