Boris Johnson was booed on his arrival in the Scots capital on Monday.
The SNP has lost its long-held Angus seat to the Tories in one of the key general election battlegrounds for the two parties.
Under-fire minister Shona Robison has quit as Health Secretary as part of Nicola Sturgeon's cabinet reshuffle.
Nicola Sturgeon has told MSPs she plans to hold an independence referendum by the end of next year.
Scottish Tory leader Ruth Davidson is set to quit her role, according to reports.
First Minister Nicola Sturgeon has warned of "Brexit chaos for years to come" as she arrived in Dundee.
A section of the Scottish Parliament was evacuated after the discovery of several suspicious packages on Tuesday morning.
The Liberal Democrats have ruled out making a pact with other political parties in the event of a hung parliament.
A St Andrews man left the Liberal Democrat leader stumped earlier today after the politician quizzed him on Scottish independence.
Former Scottish Labour interim leader Alex Rowley has been suspended from the party's parliamentary group after allegations about his conduct emerged.