Definition: In this task, you are given a text of the article. Your task is to generate a headline (title) for this article.
Input: iraqi authorities clamped a three-day driving ban on the capital and erected new checkpoints , while thousands of shiite pilgrims began their annual trek toward a mosque in northern baghdad to mark the anniversary of the death of one of shiite islam 's key saints .

iraqi authorities impose #-day driving ban in baghdad ahead of shiite holiday