The first minister was questioned about the death of Gerald Brown, who died after waiting 40 hours for an ambulance.
The warning follows a complaint that England's hotel quarantine regime provides a 'loophole' to get around Scotland's tougher measures.
Scotland is imposing a full national lockdown in response to the 'extremely serious' spread of the new coronavirus variant.
Nicola Sturgeon has said she is 'kicking myself very hard' after breaching coronavirus rules by taking off her face mask at a funeral wake.
Scotland's first minister said mistakes had been made in the handling of the coronavirus pandemic.
Nicola Sturgeon has ruled out a 'circuit breaker' lockdown in Scotland which would have seen the country undergo a temporary shutdown.
Boris Johnson and Nicola Sturgeon have announced dramatically different approaches to restricting the spread of the coronavirus.
Scotland secretary Alister Jack said the first minister’s inaccurate claim that COVID-19 was five times more prevalent in England than Scotland led to 'bad feeling'.
First minister Nicola Sturgeon has said people will only be able to meet in groups of six or under as the country tries to keep its COVID-19 cases down.
Images showed people meeting in bars and restaurants with little or no physical distancing over the Scottish bank holiday weekend.
Nicola Sturgeon has attacked Boris Johnson’s government over its 'shambolic' handling of air bridges.
The first minister confirmed the country is moving into phase two of her four phase plan for ending lockdown, with relaxed restrictions beginning on Friday.
The first minister warned that lockdown rules in Scotland could be tightened after data suggested people were breaking regulations
The Scottish first minister said it could become possible to meet “with small defined groups”.
Scotland’s first minister warned: 'A return to normal as we knew it is not on the cards in the near future.'
Nicola Sturgeon has said she won't give specific dates on when lockdown will be lifted, but will give details on how the decision is made because she's 'treating the public like grown-ups'.
The Scottish first minister said that the lockdown measures are working but added that it was still too early for restrictions to be lifted.