Fresh strikes are expected in Belarus after a weekend which saw tens of thousands take to the streets to demand the departure of long-term President Alexander Lukashenko.
Opposition leaders called for the strikes as anger grew over reports of police violence as well as alleged poll-rigging in the 9 August vote.
But the president, who claimed a landslide victory, remains defiant.
On Sunday, he called on supporters to defend their country and independence.
However, protesters came out in far larger numbers, with local, independent news site Tut.by describing the peaceful demonstration as “the largest in the history of independent Belarus”.