(Reuters) -Zia Yusuf said on Saturday he would return to Britain's right-wing Reform UK party, two days after quitting as its chair, blaming his abrupt resignation on exhaustion from the job.

The Observer focuses on the oceans crisis - noting that 300 species face extinction and 90% of the UK's marine reserves are bottom-trawled. And the Mirror leads with an interview with a mother reunited with her teenage son after a six-week search, partially championed by the newspaper.

Zia Yousuf, the chairman of Britain's right-wing Reform UK party, resigned on Thursday. Reform, led by Brexit campaigner Nigel Farage, won five parliamentary seats in a breakthrough result at last July's national election,