"We don't mind helping, but we can't trust the government with our cash," a Sri Lankan doctor in Australia told AFP, asking for anonymity. A Sri Lankan software engineer in Canada said he had no confidence that the money would be spent on the needy.
"Our fans are on the streets today because they no longer can bear the hardships. We must be with our fans when they need us most. Sports stars must physically join the protests."
Amarakeerthi Athukorala opened fire and critically wounded two people blocking his car in the town of Nittambuwa, police said, adding that one of the victims died of his injuries.
Mahinda Rajapaksa's resignation came hours after clashes broke out in Colombo, where supporters of the ruling party stormed an anti-government protest camp and were beaten back by police using tear gas and water cannon.
Then acting-president Ranil Wickremesinghe had declared a state of emergency on July 17. It allows for the military to be given powers to detain people, limit public gatherings and search private property.
Cricket Australia said $30,000 would be donated as a gesture of support, after the men's squad witnessed long fuel queues and political demonstrations during the mid-year tour.
Official sources said the island's remaining fuel supply was sufficient for about two days, but that authorities were saving it for essential services.
The government has told employees to work from home until further notice, while schools have been shut for a week in the commercial capital of Colombo and surrounding areas.
Police reimposed a nighttime curfew on Friday in the Western Province, which includes the capital Colombo, slightly expanding the zone's circumference from the prior night.