United Kingdom, May 1 -- Zayn Malik has cancelled his US tour dates and some UK shows after suffering a mystery illness.

The former One Direction star was hospitalised in April with an unspecified illness, and Zayn has now taken to social media to announce the cancellation of his upcoming tour dates in the US.

Zayn, 33 - who shot to stardom in One Direction alongside Niall Horan, Harry Styles, Louis Tomlinson and the late Liam Payne - wrote on Instagram: "To my fans: Thank you so much for all the support and love you've shown me on the album release and more importantly your love, prayers, and well wishes for my health. I've felt it, and it's meant the world. I've been at home recovering and I'm doing well and will be better and stronge...