An explosion of protest, a howl of rage – but not a Latin American spring

From Chile to Ecuador and Bolivia to Haiti police and protesters are clashing on the streets, but what are the common threads and will they lead to change?

Tanks on the streets in Chile. Barricades and bloodshed in Bolivia. Weeks of unrest that have pushed Haiti to the brink and forced Ecuador's president to relocate his government.

"This is a social revolution," said Andrea Lyn, a 61-year-old actor who took to the streets of Santiago this week. "It is us saying: no more."