At least five people were killed and many more wounded yesterday when a suicide bomber attacked a wedding ceremony in eastern Afghanistan, an official told AFP. The Taliban, who have pledged to try to reduce civilian casualties, denied responsibility for the blast in Nangarhar province. The area close to the Pakistan border is home to other insurgent organisations including the Islamic State group, who have carried out previous attacks. More than 40 people were also wounded in the attack. Officials said death toll may rise.