The action of an individual can spark a movement or highlight a cause.

Russia's actions sparked a serious diplomatic crisis between the major European powers.

This action sparked much controversy within the school itself, former pupils, parents, and the local community.

This action sparked international interest in the situation in Greece.

The action sparked protests from lawmakers and groups that support abortion rights.

This action is sparking controversy between parents and the district.

In situations such as this the wrong word or action can spark a riot.

Still, these actions would further spark drug use rumour in the tabloids.

Mazel's actions sparked a diplomatic incident between the two countries.

This action sparked protests from liberal sections of the Thai media and opposition parties.