According to a report by The Nation Newspaper, Chad has shut its border with Nigeria due to a threat from Trump.
A counter-insurgency expert, Zagazola Makama, stated that Chadian President Mahamat Idriss Déby Itno ordered a complete military lockdown along the Nigerian border.
The Chadian leader warned that “no armed group or foreign force will be allowed to enter Chadian soil under any disguise.”
Author's summary: Chad closes border with Nigeria due to security concerns.