Kabul, Afghanistan (CNN) -- Five children were killed by a rocket fired by Taliban fighters during a battle with Afghan security forces in a northern region of the country on Monday, authorities said. The Taliban fired a rocket-propelled grenade into a civilian house in Ali Abad district of Kunduz province at 5 a.m., said Sayed Sarwar Hussaini, a spokesman for the provincial police chief. Four other people in the house were wounded, he added. In western Afghanistan, a separate rocket attack killed a district police chief and four other police officers, authorities said. That attack took place in Farsi district of Herat province at 6 a.m., said Abdul Rauf Ahmadi, a spokesman for the provincial police chief. 400 trucks burn on Afghan roads . Rockets hit Kabul airport . CNN's Masoud Popalzai reported from Kabul, and Jethro Mullen reported from Hong Kong.
The children are killed during a battle in Kunduz province early Monday . Taliban fighters fired a rocket-propelled grenade into a civilian house, authorities say . A separate attack in Herat province kills a district police chief and four other officers .