Aena, the airports authority, turned down the government's suggestion for another meeting to consider working conditions.
UGT says that most of the 2,600 workers who are employed by handling services at Balearic airports have "totally casual" employment contracts.
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- British residents taking drastic action over driving licences
- Palma delays because of air-traffic control and Ryanair strikes
- First day of Ryanair strike could affect 73,200 passengers on Friday
- Spanish government announces new anti-crisis measures