Around a thousand protesters blocked off the Ukrainian government’s main headquarters in Kyiv on Monday.<br /><br />The opposition has called for more protests and a national strike to force the resignation of President Yanukovych after he refused to sign a trade pact with the EU.<br /><br />Hundreds of activists spent the night in Independence Square and say they are preparing for round-the-clock demonstrations. <br /><br />Others barricaded themselves inside the City Hall where they have set up their headquarters. Staff were still being allowed to come in and do their usual jobs.<br /><br />On Sunday hundreds of thousands took part in a march, defying a ban on rallies.<br /><br />Many have joined the protests in anger at the violent treatment of protesters by riot police.
