Sign up now for FREE unlimited access to Reuters.com Register LONDON, Aug 14 (Reuters) – Police Scotland said on Sunday they were investigating a report of a “cyber threat” made to author JK Rowling, following her condemnation on Twitter of the Salman Rushdie stabbing. The Harry Potter creator said she felt “very sick” after hearing the news and hoped the novelist “would be OK”. In response, one user said “don’t worry you’re next” Sign up now for FREE unlimited access to Reuters.com Register After sharing screenshots of the threatening tweet, Rowling said: “To everyone sending messages of support: thank you police are involved (already involved in other threats).” A Police Scotland spokesman said: “We have received a report of an online threat and officers are investigating.” Rushdie, 75, was due to give a lecture on artistic freedom on Friday in western New York when a man rushed the stage and stabbed the Indian-born author, who has been living with a bounty on his head since his 1988 novel “The Satanic Verses prompted Iran to urge Muslims to kill him. After hours of surgery, Rushdie has been on a ventilator and unable to speak since Friday night. The novelist was likely to lose an eye and have nerve damage to his arm and injuries to his liver. read more The accused shooter, 24-year-old Hadi Matar of Fairview, New Jersey, pleaded not guilty to charges of attempted murder and assault in a court appearance on Saturday. Rowling has previously been criticized by transgender activists who have accused her of transphobia. Sign up now for FREE unlimited access to Reuters.com Register Reporting by Andrew MacAskill Editing by Raissa Kasolowsky Our Standards: The Thomson Reuters Trust Principles.