Pfizer employees in Ireland are currently planning two 24 hour walkouts, and banning overtime indefinitely because of changes to their pension plans. The union has been negotiating with management regarding their pension plan since 2014, with no success. Workers feel now that they have no choice but to engage in industrial action. Management claims that changing the pension plans was a necessity, however, workers do not accept this.
See "Pfizer union votes for strikes over pension scheme changes", Martin Wall, Irish Times, February 1, 2019