The SNP aims to join with other "progressive parties at Westminster to work for the common good" across the UK, Nicola Sturgeon said as the General Election campaign formally begins.

The Scottish First Minister joined activists to campaign in the east end of Glasgow today following the SNP party conference in the city over the weekend.

Polls continue to suggest that the nationalists could win dozens of seats in the election and hold the balance of power at Westminster.

The membership of the party has soared since last year's referendum, with more than 102,000 now signed up.

In her conference address on Saturday, Ms Sturgeon vowed to "shake up the Westminster establishment'' and make the rest of the UK take notice of Scotland in the election campaign.

In Glasgow today, the First Minister said a vote for the SNP was an opportunity to end austerity, reject the renewal of Trident and win "real power" for Scotland.

She said: "We can achieve an end to the austerity cuts - implemented by the Tories and backed by Labour - which are causing so much damage in our communities and holding our economy back.

"Rather than wasting £100 billion on useless, immoral nuclear weapons of mass destruction, based just 30 miles from the city of Glasgow, we can instead invest in public services like our NHS.

"It matters to people in Scotland that good decisions are made at Westminster - and that's exactly why the SNP will join with other progressive parties to work for the common good for hard-pressed families across the UK.

"We will work to deliver the power we were promised in the referendum - to enable us to grow our economy and tackle poverty, making our country a fairer, more equal place for everyone who lives here.

"By electing a strong team of SNP MPs, the people of Scotland can hold real power and deliver real change.

"The Westminster establishment have had things their own way for far too long - it's time for Scotland to lead progressive politics across the whole UK by voting SNP."