Thousands of people marched for peace in southwest Iran on Saturday 23rd. April, one week after ethnic unrest in which at least five people were killed. State television showed images of thousands of men and women marching peacefully through the city of Ahvaz in Khuzestan Province. They were chanting slogans against US and Israel. Last week in Ahvaz, groups of Arab-Iranians set fire to cars and buildings and clashed with security forces several days ago. Authorities say the protests were sparked by the circulation of a forged letter, attributed to a senior government official, which suggested ways to dilute Arab influence in southwest Iran. Only about 3 percent of Iran's 67 million people are Arab, but they are a majority in some parts of the southwest.