Two productions that had already begun previews, 'Grief Camp' and 'I’m Assuming You Know David Greenspan,' but have now been postponed indefinitely.

The Atlantic Theater Company has indefinitely postponed two of its Off Broadway productions — Eliya Smith's "Grief Camp" and Mona Pirnot's "I'm Assuming You Know David Greenspan" — as crew members represented by the International Alliance of Theatrical Stage Employees are on strike.

The stage employees union accused the nonprofit theater of stalling talks. The strike forced the cancellation of Sunday performances of two new plays.

Atlantic Theater Company has just released the following statement:  'Unfortunately, the International Alliance of Theatrical Stage Employees (IATSE) has decided to strike against Atlantic Theater Company.