Humza Yousaf has served as first minister since March last year (Picture: PA)Scottish First Minister Humza Yousaf will announce his resignation today rather than face two votes of no confidence this week, according to reports.The SNP leader has seen his authority crumble in the days since he decided to withdraw his government from a political partnership with the Scottish Greens.Within hours of the first minister’s announcement on April 25 – which brought an end to a complicated alli