Chinese officials boarded the Arrow and arrested its crew on suspicion of piracy and smuggling, prompting British authorities to claim that the Chinese had violated the vessel’s British protection, and prompting hostilities.

Sir Stamford Raffles, who had been appointed Lieutenant-Governor of Bencoolen in modern Indonesia, had identified Singapore as an ideal location for the British East India company due to its natural harbour and strategic position along the Straits of Malacca.