Al Qaeda-linked al Shabaab have used car bombs to target government buildings in the capital.
The explosion in the eastern city of Jalalabad also left at least four people wounded and set a nearby petrol station alight.
Eleven people were killed and nine injured Tuesday in an explosion at an iron-ore mine in northeast China's Liaoning province, state media reported.
Both the Taliban and the Islamic State group have stepped up their attacks on Kabul, making the capital the deadliest place in the country for civilians in recent months.
Residents near Hawaii's Kilauea volcano faced warnings on Monday that more lava-spewing fissures could open near their homes and that the volcano's summit may be getting ready for an explosion ...
Suicide bombers and gunmen launched apparently coordinated attacks on two Kabul police stations Wednesday, killing at least five people, with security forces still searching for several assailants as the city braces for more violence.
Firefighters on Wednesday afternoon were still battling the blaze sparked by an oil spill at about 1:30 am in a residential area. Several homes were also destroyed.
A suicide bomber blew himself up outside a voter registration centre in the Afghan capital Kabul on Sunday, killing at least 57 people and injuring more than 100, in the most serious attack yet on preparations for elections scheduled for October.