Syrian activists have reported

artillery

attacks in Nashar neighbourhood of Aleppo for the second day, at least two people were killed there on Saturday. The Syrian army is reported to have regained control of a historic mosque in the city after fierce clashes with rebels. An

amateur

video showed the mosque on fire.

Officials in Nigeria say gunmen have killed at least 20 people in an attack on a village in the northern state of Kaduna. Many of the victims died at a mosque in the village. The BBC's Tomi Oladipo has been monitoring the situation from Lagos.

Residents of Dogo Dawa said the attackers stormed the village just before sunrise shooting and stabbing anyone inside. Worshippers at a mosque were also targeted before the raiders moved to the house of the community chief and killed him too. A local official said the village had experienced similar but smaller attacks in the past, during which residents had killed robbers and then received warnings of

revenge

attacks in response. The community leader said they had informed the police of this written warning but nothing was done about it. Police in Kaduna state confirmed that Sunday's attack happened but refused to comment on the claim that there had been a lead

prior to

the incident.

News from the BBC

Some 2000 police officers in Brazil and numbers of the armed forces backed up by armoured vehicles and helicopters have taken control of two of Rio de Janeiro's most violent