Afghan national security forces have killed thirty - eight Taliban militants during separate operations across the country over the past 24 hours.“Afghan National Security Forces (ANSF) conducted a series of operations in Ghazni, Helmand, Kandahar and Uruzgan provinces, killing 38 Taliban militants and wounding 15 others. Thirteen more armed men were also arrested over the past 24 hours," the Afghan Interior Ministry said in a statement issued on Saturday. The statement, however, did not mention if there were any casualties on the side of Afghan forces. It added that Afghan policemen seized large amounts of ammunition and weapons used by militants after the operations. The United States and its allies invaded Afghanistan as part of Washington’s so-called war on terror. The offensive removed the Taliban from power, but the country is still gripped by insecurity. In late April, the Taliban announced the start of their annual “offensive” against US-led and Afghan forces, vowing a new wave of attacks across Afghanistan. The militant group said it would use "every possible tactic" to inflict casualties on Afghan and US-led forces. They specifically mentioned insider attacks, and bomb attacks.