At least 16 Taliban fighters were killed and nine security force members killed in separate attacks on security installations in Farah province on Monday night. 

Officials said 16 Taliban fighters and 21 others were wounded in a battle against the Afghan security forces in Khatiban area of  Farah province late Monday night. Four ANA and Afghan National Police (ANP) officers were also killed in this attack.

The encounter happened when dozens of militants tried to storm Afghan security forces' check posts. 

The battle continued until late night and Afghan National Army (ANA) choppers inflicted a heavy casualty toll on the militant group, said Mohammad Iqbal Baher, spokesman for Farah police headquarters. 

Taliban's shadow-governor for Farah was also among those wounded in the battle, he said. 

Meanwhile in a separate incident Taliban operatives launched a coordinated attack on ANA check posts in Farah's Balabolok district killing at least five ANA servicemen.