Stephen Flynn told Rishi Sunak to "grow up" after the Prime Minister joked about SNP MSPs sending flowers to Nicola Sturgeon.
The SNP Westminster leader had asked Sunak during Prime Minister's Questions if he thought mortgage rate rises were going to cost his party the next election.
The Tory PM mocked Flynn with his reply, asking if he signed the card that was sent to Sturgeon along with the flowers.
