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1. Pan of scene as police fire tear gas as protesters flee

2. Protesters marching and chanting

3. Zoom in to protesters

4. Protesters, some with arms raised, standing near police

5. Various of protesters approaching police blockade, police using bullhorn

6. Police standing near vehicles

7. Protesters reacting to tear gas being fired

8. Police standing near vehicles

9. Concrete and cinder blocks on the ground, laid by protesters

10. Police standing as tear gas smoke rises on protesters' side

11. People standing, some wearing gas masks, some filming

12. Pan from street sign to police vehicle

13. Search light from helicopter

14. Various of police

15. Various of police with gas masks

16. Police officer with gun stands in heavily armoured vehicle

17. Police in riot gear walking

18. Wide of street, police and crowd

Clashes took place on the streets of Ferguson, Missouri, on Sunday night.

Missouri's governor on Monday ordered the National Guard to the city after a night in which police used tear gas to clear protesters off the streets well ahead of a midnight curfew.

Police said they acted in response to gunfire, looting, vandalism and protesters who hurled Molotov cocktails.

Governor Jay Nixon said the National Guard would help "in restoring peace and order" to Ferguson, where protests over the killing of black teenager Michael Brown by a white police officer entered their second week.

Sunday's clashes in Ferguson erupted three hours before the curfew imposed by Nixon.

Officers in riot gear ordered all the protesters to disperse, and many did, but about 100 stood about two blocks away until getting hit by another volley of tear gas.

Within two hours, most people had been cleared off West Florissant Avenue, one of the community's main thoroughfares.