That US President Donald Trump means his words, no matter how outlandish they may sound, is not in doubt. And now African countries he has previously mentioned have a reason to worry.

Last month Trump launched strikes in Nigeria’s Northern State of Sokoto, less than two months after his usual remarks that could have easily passed for informal social media rants about Nigeria being a “Country of Particular Concern” as he threatened a “guns-a-blazing intervention, claiming the killing and persecution of Christians by Islamic groups in the country.