The Taliban blew up the ceasefire into the air on the first day as nine people were killed and 17 injured in Kandahar and Kunduz provinces on the day of Eid-ul-Fitr on Thursday.
The Taliban and Afghan forces agreed to a three-day ceasefire during Muslim festival of Eid-ul-Fitr.
Two landmines exploded in Kandahar province – one in Panjwai and the other in Maiwand district – killing seven civilians and wounding three others.
A remote-controlled landmine blast in the town of Sardawra in the northern province of Kunduz, killed two people, including a child, and injured 14 others, most of them children.
The blast in the city of Kunduz occurred just hours after the Eid prayers.
A Kunduz resident said: “The security forces arrived in the area 40 minutes after the blast, while the Kunduz police headquarters is only 100 meters away from the incident area.”
Officials in the Kunduz Provincial Hospital said the injured are in a critical state.