At least two people have been killed and 13 injured, AFP reported Sunday, in bomb attacks on churches in Indonesia. 
The attacks took place in Surabaya, the country's second-biggest city. 
AFP quoted police as saying there were three attacks on three churches. And that one of them was a suicide blast. 
Police added that the three blasts occurred within 10 minutes of each other. 
The first blast took place at 7.30 am local time.