Tetley is set to heat up competition in the tea market with the launch of a 12-strong wave of premium teas and a £5m support package.

Trialled in Tesco since August last year, four speciality offerings, two green tea lines and six fruit and herbal blends are rolling out to the multiples this week.

Rsp for the speciality teas is £1.39 for 50 bags, for the green teas, 99p for 25, while the fruit and herbal blends are 80p for 20 bags.