Menzies Aviation workers plan strikes at all airports : Media sources reported that Menzies Aviation workers plan to go on strike at all airports in Portugal over five weekends from July 25 to September 1, to demand better working conditions. According to reports, the strike is being organized by the Metal and Allied Industries Union (SIMA). The strike will occur from 00:00 on July 25 to 00:00 on July 28 and will continue on the weekends of August 8-11, August 15-18, August 22-25, and August 29-September 1. Disruptions to flight operations can be expected on the days of the strikes.