sentences:  On the 20 April, Basra residents gathered for a Shia religious festival, that under Ba'athist rule was not allowed to be celebrated, it was the first time they celebrated it in more than 20 years.By the 23 April 2003, oil was flowing through pipelines from the Basra area.In the following months, the US reported acts of sabotage against the oil production and transport operations in the area.