South Korea: Seven killed In a Suspected Attack on district court

South Korea - A massive explosion in an office building near the city's district court building early Thursday killed seven people and injured 46. 

The incident took place in the South Korean city of Daegu. 

The boom rattled buildings several kilometers distant, according to eyewitnesses.

The cause of the attack is still being investigated, but police suspect it was an arson attack. Officials said the suspect, a man in his 50s, died on the spot.

At approximately 10:55 a.m. local time, more than 150 firefighters were dispatched to the building after the fire broke out (1:55 GMT), according to the BBC, the firefighter team

 extinguished the fire in 20 minutes. All of the victims were taken to the hospital immediately.