1. The news comes as a fourth person was arrested on Friday in connection with the terror attacks.

2. We have again returned to the fight against terror and to cyber security.

3. Other countries in Europe are also on high alert for potential terror threats.

4. The London terror attack puts new focus on the use of vehicles as deadly weapons.

5. Investigators have not found any formal links to an international terror group.

6. The group is considered a terror organization by Turkey and its allies.

7. Thursday evening in what French authorities have described as a terror attack.

8. The Islamic State terror group has claimed responsibility for the attack.

9. The disclosure Monday added to terror fears as the games approach.

10. Lawmakers say it will help prevent terror attacks and other crimes.

11. India has issued a number of terror alerts in recent years.

12. He was a member of a Pakistani terror group committed to building bombs to kill American troops.

13. In an address from the White House, Obama called the tragedy an act of terror and hate.

14. He also told them how threats like terror and gun violence keep him awake at night.

15. Egyptian jet has apparently been brought down by a terror attack.