1. They vowed to cut carbon dioxide emissions in their cities 7 percent below 1990 levels by 2012.

2. Seoul has vowed to hit back hard the next time it is attacked.

3. Trump vowed in the video to release more plans in the days ahead.

4. The attack comes a week before presidential elections which the Taliban have vowed to disrupt.

5. He vowed a new commitment to keep the issue at the forefront of the political debate.

6. He vowed to form a federal police unit to deal with violence against women.

7. He vowed to begin putting pressure on countries to take back their deportees.

8. He vowed to fight the NBA in court until the day he dies.

9. It has vowed to press on with its campaign until rocket attacks stop.

10. Mr Abe vowed that Japan would not give in to terrorism.

11. He has vowed to return several times in the past, but those previous attempts were abandoned.

12. The group drew little international attention until it vowed to sell the abducted girls as slaves.

13. He vowed to evaluate security procedures to ensure the safety of both employees and residents.

14. Defense lawyers said little after the verdict but vowed to appeal.

15. Both sides vowed they would not go back to fighting.