At least 25 people have been killed and 40 wounded in a truck bombing at a market in the Iraqi city of Diwaniya.
Dozens more have been killed and wounded in bomb attacks in other cities across the country, reports say.
In the central city of Karbala, four people were killed when two car bombs targeting Shia pilgrims exploded.
There has been a spike in attacks across Iraq in recent weeks.
June was the bloodiest month in the country since US troops withdrew in December.