The new proclamation, which Trump signed on Wednesday, applies to citizens of Afghanistan, Myanmar, Chad, the Republic of Congo, Equatorial Guinea, Eritrea, Haiti, Iran, Libya, Somalia, Sudan and Yemen.
Niger's junta closed its airspace and regional countries closed border crossings as part of economic and travel sanctions, making it hard for people to leave
Mohamed Lamrane Bah, director of communications for Sierra Leone's National Disaster Management Agency (NDMA), told CNN that several people were also in critical condition following the explosion.
