"I say farewell with paininmyheart, but with the same hope that I came to this country with to make sure my wife and my son have a better future, " he said.
"With paininmyheart, we have to admit that we return to the stage of war that nobody wants, " Farc chief negotiator Ivan Marquez told reporters before going into a new session of talks with Colombian government representatives inthe Cuban capital, Havana.