![](https://i.dailymail.co.uk/1s/2024/07/27/15/87838909-0-image-a-70_1722089622827.jpg)
Investors threaten Daniel Kretinsky's bid for Royal Mail
Offer may undervalue service if changes to Universal Service Obligation made This guarantees deliveries made six days a week across UK at a fixed price Removing Monday-to-Saturday obligation could generate extra £300m By Alex Brummer Updated: 16:51 EDT, …