Dutch police have arrested three men whose DNA was found on weapons seized in a Paris suburb after law officers foiled a planned 2016 terror attack, Dutch prosecutors said Tuesday.
It was not clear if Wednesday's incident was linked to earlier attacks at churches and a police station in Surabaya.
A Farah government official and several residents said security forces were engaged in police districts two and three, around 4 km from the city centre.
Al Shabaab insurgents battled for hours on Sunday with African Union troops after exploding a car bomb outside their base, Somali police, military and the militants said.
At least 25 civilians and members of government forces have been killed in northern Iraq since late Sunday in attacks by the Islamic State group, officials said.
Eight members of a German far-right group were jailed Wednesday on terrorism and attempted murder charges for a series of explosives attacks targeting refugees and anti-fascist activists.
Sunday saw further unrest when one person was shot dead after three people attempted to storm a roadblock in the early hours near the presidential compound, a government source said.
One of two would-be attackers arrested in January had planned to hit a "major sporting facility", Interior Minister Gerard Collomb said.