At least 13 people have been killed in three suicide bomb attacks in Nigeria's northeastern city of Maiduguri with 16 others sustaining serious injuries.
The government of Cameroon has denied claims by the rights group, Human Rights Watch that it forcefully sent back to Nigeria, 100,000 refugees in breach of international agreements.
Hundreds of Nigerians who have been displaced by Boko Haram insurgency have staged a protest on the streets of Maiduguri over food shortages and poor conditions in their refugee camp.
More than 15 people have been killed in a suicide bomb attack in Nigeria in the latest of attacks carried out by Boko Haram in the northeastern part of the country.
A girl with a bomb strapped to her walked into a mosque in northern Cameroon where it exploded, killing five worshippers in an attack bearing the hallmarks of Islamist militant group Boko Haram, authorities said.
Boko Haram jihadists killed eight people in a series of raids on farming communities in northeast Nigeria, civilian militia members and local residents told AFP on Friday.
The rights group, Amnesty International on Tuesday said that at least 381 civilians in Nigeria and Cameroon have been killed by the Islamist militant group Boko Haram since April this year.
Suspected Boko Haram militants killed 18 people in northeast Nigeria on Friday, according to local witnesses and officials, the latest in an escalating number of lethal attacks in the region.
A Nigerian lawmaker has said that the country's President, Muhammadu Buhari is not getting accurate information about the activities of Boko Haram and its capacity to carry out attacks in parts of the West African nation.
Boko Haram militants on Tuesday killed six people in the northeastern Borno state of Nigeria in what is reported to be a targeted reprisal attack.