A Scottish woman who travelled to Syria and married an Islamic State (Isis) fighter told her parents she wanted to become a martyr and would see them again on the "day of judgment".

Aqsa Mahmood left her family home in Glasgow last November and called her parents from the Turkish border before entering Syria to tell them of her intention to join the radical movement.

Speaking publicly for the first time, her parents Muzaffar and Khalida Mahmood have told of their heartbreak at hearing she did not intend to return home.

Speaking to American broadcaster CNN, her father wept as he recalled his daughter's words.

"One message was that, 'I will see you on the day of judgment. I will take you to heaven, I will hold your hand.' That's what she said. 'I want to become a martyr."'

In an emotional television appeal following a statement released in the UK earlier this week, Khalida Mahmood pleaded with her daughter to come back.

"Aqsa, my dear daughter please come back, I'm missing you so much. Your brothers and sisters miss you a lot. My dearest daughter, in the name of Allah, please come home. I love you."

The privately-educated 20-year-old former radiography student exhorted Muslims to carry out terrorist attacks in the west via a Twitter account under the name Umm Layth. "Follow the examples of your brothers from Woolwich, Texas and Boston," she tweeted. "'If you cannot make it to the battlefield, then bring the battlefield to yourself." The account has since been deleted.

Mahmood travelled through Turkey to Aleppo in Syria last year and was reported missing to police.

Melanie Smith from King's College International Centre for the Study of Radicalisation, who has been tracking 21 British women who have joined Isis through their social media accounts, told the Guardian around 200 western women are believed to have been recruited to join the extremist group.