( CNN ) -- A bomb blast in the northern Nigerian city of Kano killed at least four people late Sunday , according to local police . The blast occurred at a busy intersection in a predominantly Christian area of the city and left several cars burning , Kano police spokesman Rabilu Ringim told CNN . Police cordoned off the area and were searching for suspects and any additional bombs . It was not immediately clear who was responsible for the attack , the spokesman said . Terrorism in Nigeria has been in the global spotlight recently since more than 200 school girls were kidnapped by Boko Haram . The terror group abducted an estimated 276 girls on April 14 from a boarding school in Chibok in northeastern Nigeria . Dozens escaped , but more than 200 girls are still missing .
The attack took place in the northern Nigerian city of Lagos . It was not immediately clear who was behind it . Terrorism in Nigeria has been in the news since more than 200 people were kidnapped .