The militant group whose origins are in northeastern Nigeria has stepped up attacks in neighbouring Cameroon, Chad and Niger since last year. Many of the recent Cameroon attacks have been conducted by women.
20 killed, several injured as suicide bomber strikes in Jacobabad
"The suicide attack took place at 5:40am in a mosque at Kouyape. There were 13 deaths including the man who blew himself up and one wounded," said a senior local official who declined to be identified.
Another senior local official said at least 10 people died.
Boko Haram has waged a six-year campaign for an extremist Islamic state in northeastern Nigeria. Neighbouring countries joined an offensive against the group this year and the conflict spilled across their borders, displacing tens of thousands of people.
Suicide bomber kills one at Saudi mosque
Cameroon is also in an 8,700-strong regional force led by Nigeria against the militants, expected to be operational by the end of the year. The United States is sending military supplies and troops to the central African country to aid the fight.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ