Media advocacy groups say the Internet is becoming the new battleground for press freedom as authoritarian governments around the world crack down on growing expressions of dissent on the web.

From China to Iran, bloggers have provided voices of dissent in places where few, if any, were heard before.

But a group of U.S. congressmen and press freedom activists are drawing attention to the growing censorship of online journalism around the world.

VOA’s Jerome Socolovsky has more in this report.