mark zuckerberg says regulation of social media may be inevitable during his last day of testimony before a congressional panel but u.s. lawmakers failed to get a direct answer from zaka berg on how he's going to protect user data. well the human rights organization amnesty international says the number of reported judicial executions around the world fell during twenty seventeen agnes he also says the trend around the world leans towards abolishing the death penalty but the group also warns that the true number of people put to death is actually concealed some countries treat execution numbers as a state secret china for example we're talking to amnesties regional director for east asia shortly first we have this report. iran responsible for carrying out its more than half of the world's known executions last year that's according to amnesty international's latest figures in dozens of those cases that