The Scottish Government has estimated that around 1,283 workers from its core and main agencies are on strike, equating to around 18% of Government staff.
A spokeswoman for the Government said:
"Main Scottish Government and agency buildings have remained open and arrangements are in place to ensure essential business continues."
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Wintry start for some and windy. Brightening later
Emma brings you Saturday's forecast
Longest cold spell of winter so far. Mainly dry and bright, but feeling bitterly cold today. Very wintry further east, blizzards possible