Douglas Ross said there is "no way" Sturgeon can remain in post if she broke the ministerial code (Image: GETTY)
Ms Sturgeon has refused to say whether she will resign if found to have mislead parliament (Image: GETTY)
She wrote: “I wrote the tweet. A friend of mine is also a councillor, Ricky Bell.
“We met Nicola at the same time because we all lived in Irvine and that's where Nicola joined the SNP when she was 16.
“At that point, unbeknownst to me, Ricky decided that he liked my sentiment, and he would just cut and paste it.
“Then, shortly afterwards, my brother Mark, who also met Nicola at the same time decided he would do the same.