It’s not unusual for heads of government and state to have their motorcades accompanied by motorcycle escorts, as seen in the example below from 2009 of the then Chinese president Hu Jintao‘s visit to Zagreb in Croatia.
Sunak has in recent months been criticised for his disproportionate use of flying, both on private aircraft and on military ones, including one of a mere 25 minutes’ duration.
The Telegraph has suggested the action was to thwart the attentions of environmental protesters from Extinction Rebellion.
If that were not the case and Fishy Rishi was making a vain attempt to reduce his carbon footprint, your ‘umble scribe would like to introduce him to a new word to add to his vocabulary: greenwash.