The Diyarbakir Governor’s Office has stated that three people were killed in the attack while 45, including 12 police officers, were wounded.
The statement added that the attack was staged while an armored police vehicle was transferring seven members of the outlawed Kurdistan Workers’ Party (PKK), who had been detained after seizing a nearby factory, for medical checks.
It said civilians near the scene and sitting at a nearby cafe were among those injured.
It was not immediately clear who was killed in the massive attack, whose explosion could be heard across the city and which caused damage to buildings near the site of the detonation.