Canadian police have arrested Arsalan Chaudhary, 43, at Toronto Pearson International Airport in connection with the 2023 theft of over $20 million in gold bars, described as the country's largest gold heist. Chaudhary, who has no fixed address, faces charges including theft and conspiracy. Another key suspect, former Air Canada employee Simran Preet Panesar, is believed to be in India, and Canada has submitted an extradition request. The investigation, Project 24K, involves multiple agencies and has led to charges or warrants for ten individuals.