BBC staff at Salford Quays are on the picket lines along with thousands of employees across the country.
Some programmes will be disrupted during the 24-hour strike over job cuts.
Around 2,000 posts are set to go under cost-saving plans.
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Best of any brightness in the west. Cloudier over the Pennines, some mist here first thing. Gentle winds, not cold
Quiet evening and night on Tuesday night, clearest spells further west, some mist over the Pennines
A turnstile operator has described fearing for his life as a crush developed at the Leppings Lane entrance to Hillsborough stadium in 1989.