At least five people have been wounded when a bomb explosion ripped into a bus carrying police officers in the Turkish city of Adana on Wednesday.
In a statement, the Adana Governor said the blast was either an "improvised explosive device or a different type of bomb".
The area has been sealed off and an investigation launched into the attack.
No group has claimed responsibility for the attack so far.

8 Israeli airstrikes hit Syria's Abu al-Duhur airbase, state TV reports
Two killed in high school shooting in southern Philippines
Pakistan top court orders ex-PM Imran Khan be moved to hospital from jail
Russian missile attack kills 10 in Ukraine's Kharkiv region, governor says
Trump says Iran won't make deal he thinks is needed
