Mr.Zelaya told reporters he feared the interim government would provoke violence and might even invade the Brazilian embassy compound to seize him.

VOA: standard.2009.09.22

The institute has scoured the results of international studies to find antigens substances that provoke an immune response in the body that could be a potent weapon against malaria.

VOA: standard.2010.01.20

So,Russell says, even if in the Vilks case, he does not defend the particular cartoon in question, cartoonists around the world should keep their right to draw and provoke, and ask questions about the world we live in.

VOA: standard.2010.03.20