Morrisons has recalled four own-label pre-packed salads because salmonella was found during routine testing.

The affected products are Morrisons Bistro Style Salad 185g and twin packs of 2x110g with best before dates of 14 June, and Morrisons Cheddar Tomato and Egg Layered Salad and Morrisons Layered Garden Salad, with best before dates on or before 12 June.

In April this year, bagged salad maker Soleco was forced to recall three salad products because of potential salmonella contamination.