- special, unusual
Using explosives such as RPGs and hand grenades to kill and catch fish is not uncommon in Afghanistan.
The cause of the fire at the school in Mukono, east of the capital, Kampala, is being investigated, but such incidents are not uncommon.
Investigators said they had uncovered an uncommon but distinct pattern among children who lose consciousness while playing electronic games.
It is not uncommon for countries to change their names.