An attack on Thursday on the airport and military airbase in Niger’s capital killed 11 members of the security forces and two civilians, the government said in a statement, without identifying the perpetrators.The first explosions were heard at around 6am local time, witnesses said, and sporadic gunfire was still audible nearly two hours later at the airport in Niamey, which was targeted by the regional Islamic State affiliate in January.There was no immediate claim of responsibility for...