Jo Swinson’s seat of East Dunbartonshire is said to be a prime target for the nationalists

East Dunbartonshire is set to be a key battleground in the election as the SNP seeks to unseat Jo Swinson, the Liberal Democrat leader.

Party strategists have indicated that the seat is a priority target. Taking it back from Swinson, who won it from the SNP’s John Nicolson in 2017 with a 5,339 majority, has been described as a “huge prize” and the “icing on the cake” of what many predict will be a successful general election for the nationalists.

Efforts to overturn her majority are under way, with plans to draft in activists from neighbouring constituencies to win votes for the SNP candidate, Amy Callaghan.

Despite the threat, Swinson has said she would not be tempted to switch to a more secure seat to