On America time 2:50 pm, the bomb beside the finishing line, in the crowd. And 144 people were injured include 8 children and 3 people died. The bomb just 50 meters away from the finishing line. After the bomb exploded, dark smoke billowed,so many people try to escape. some witnesses said they saw bloody scene, broken bodies. The police started to search survivals, evacuate onlookers, rescue workers saved the wounded.
The police express the bomb is similar as some bombs in Iraq or Afghanistan that terrorists put them on the roads. In this terrorist attack, the bomb is in a pressure cooker. And the terrorists put shotgun shells, nails and bullets in it. And initiation device was simple, because it was in the crowd so many people were injured.
Obama sweared America government must find out who is the murderer. And other sports games mourns the dead people at the begining of competition.
-David