Morning Mail: alarm over pokies influencers; toxic algal bloom reaches Adelaide; Oscar Piastri cops penalty at British GP

Campaigners are worried a new trend of pokies videos on social media may be introducing a younger generation to poker machines. Composite: Instagram

Good morning. There are calls for a clampdown on social media influencers allegedly using “shocking” content to push viewers towards the use of poker machines.

Meanwhile, a toxic algal bloom that has torn through coastal ecosystems in South Australia has now arrived on Adelaide’s beaches – and there are warnings that it may be here to stay.