Transport & Drivers' Unions have announced a nationwide strike on April 30th from 0000hs to 2400hs.
This will affect direcly or not all ports loading/unloading operations in Argentina. Pilots' Union will also join on the strike affecting domestic flights (and some international) as well.
Keep you posted.
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UPDATE:
Not all Unions are joining this strike, but the ones that are confirmed are: Truck Drivers, Banks personnel, Public Administration (Locals & National), Commerce, Oil Workers, Petrochemichals, Toll Workers and Private Oils Company Workers.
Taking into account the above involved Unions, there are high probabilities that operations in most ports / terminals will be affected.
We'll keep you closely posted and updated.