Officials on Monday said insurgents have attacked several Army checkpoints in eastern and southern Afghanistan, killing at least four troops and wounding several people.
No one has claimed responsibility for the attacks, which happened on Sunday.
Defence Ministry spokesman General Mohammad Zahir Azimi said on Monday that the four soldiers died in an attack in the eastern province of Logar, in the Charkh district. He said scores of insurgents were killed in a subsequent airstrike there.
In southern Uruzgan province, spokesman Dost Mohammad Nayab said insurgents attacked police checkpoints in Gezab district. He said Afghan forces suffered no casualties but that four attackers were killed.