BBC News - World
Updated: 2 hours 33 min ago
She is accused of spreading "false news" after telling the BBC of her daughter's disappearance.
In 2001 Melania Knauss scored a coveted visa reserved for people of "extraordinary ability".
The French embassy and a military HQ are the apparent targets in the capital, Ouagadougou.
Forty years on from the beating of gay activists, the 2018 march will carry special resonance.