These are essentially internet based references - just include the date of the newspaper
The template below shows how references are constructed.
Author(s). … (year of publication) … Title of article … Newspaper name … Date published … [online] Available at: URL address … [Accessed: date of access]
Weston, P. (2021). NHS to use world’s most expensive drug to treat spinal muscular atrophy. The Guardian, 08 March. [online]. Available at: https://www.theguardian.com/society/2021/mar/08/nhs-use-worlds-most-expensive-drug-treat-spinal-muscular-atrophy-zolgensma [Accessed: 15 Mar. 2021].