![A banner of the CGT Union reading in French "on strike" is pictured on a fence of the Lavera oil refinery. AFP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/IEBNBH6BXG7DJ5GJ7HDWSKEWWE.jpg?smart=true&auth=dcaed674f2f21b938aefd063052bd2b9c5a2c7dbafe2e0c95f56996db82549c0&width=400&height=225)
A banner of the CGT Union reading in French "on strike" is pictured on a fence of the Lavera oil refinery. AFP
A banner of the CGT Union reading in French "on strike" is pictured on a fence of the Lavera oil refinery. AFP
Unions blockade French oil refineries over pension reform plans
Oil refinery workers began a four-day walkout