The PM’s announcement brings the government guidance more into line with the law as set out in the lockdown regulations. Now no limit on exercise as there never was in the English/Scottish/Northern Irish laws....
“You can sit in the sun in your local park, you can drive to other destinations, you can even play sports but only with members of your own household.”
Suggests each of these activities should now unambiguously be ‘reasonable excuses’ within the meaning of the law