On 10 March, VSL offered to sell a batch of "COVID Cleaner" to Peter, who ran a pharmacy, for HK$1 million. After Peter inspected the vaccines, he paid HK$ 200,000 to VSL requesting the company to wait for his decision until 30 March. VSL agreed and accepted the payment. On 20 March, VSL found that the market was in shortage of COVID-19 vaccine and the company reached another buyer who offered a much higher price for the vaccines. VSL had immediately sold all the vaccines in stock to this buyer and had no more vaccines to sell to Peter. At the same time, VSL told Peter that the company's previous offer in selling him the "COVID Cleaner" was cancelled with immediate effect.

Question: Advise whether Peter has the legal right to sue VSL for breach of contract and claim for damages. You are required to cite a relevant case in your explanation.