1. Police reportedly set off at least one other explosive device with a water cannon.

2. Rice said the blast currently is a criminal investigation into the use of an explosive device.

3. This explosive outbreak has caught the world by surprise and many key questions remain unanswered.

4. Authorities say the explosive was attached to a robot to protect officers.

5. Officials said the explosive in that device appeared to be black powder.

6. Earlier this week, police found explosive devices in and around the city.

7. Mobile advertising got a boost from the explosive growth of smartphones.

8. We are investigating the source of the blast and the type of explosive, he told the news agency.

9. Key to this explosive growth is the availability of more affordable VR solutions.

10. The backpack was destroyed, and police said it had no explosive contents.

11. He could have been an explosive Samsung fan.

12. The perception of an increased threat, has also led to explosive demand for the best talent.

13. The destructive wildfires that had been warned about for months hit with explosive power.

14. A witness said the attackers also tossed two explosive devices at a perimeter wall.

15. They put a plastic explosive in a flower box in front of my home, she said.