Local actor and musician GK Reginold rides in a motorised fishing boat through flooded neighborhoods, hoping to bring food and water to those in desperate need.
Many families, he explains, have gone without help for days, cut off by the South Asian island nation's most severe weather disaster in recent years.
The powerful storm lashed the country last week, bringing widespread destruction that killed more than 400 people, with hundreds missing and destroyed 20,000 homes.
But the flooding has also sparked a surge in community help, as people face what national leaders has described as the "most challenging natural disaster" in its history.
"The main reason why I wanted to do this, is to at least ensure they get one meal," Mr Reginold states. "And I was deeply gratified that I was able to do that."
More than one million people have been affected by the disaster and a national emergency has been declared.
The military has sent helicopters for search and rescue, while humanitarian aid is arriving from international partners and non-governmental organisations.
But it will be a lengthy process to rebuild for Sri Lanka, which has seen its fair share of turmoil in recent years.
In a Colombo suburb, activists who demonstrated in 2022 are now helping run a community kitchen that produces meals.
The protests from three years ago were driven by a spiralling economic crisis that caused shortages of fuel, food and medicine. Public anger erupted and led to a leadership shift. Now, that political activism is being directed toward cyclone relief.
"People came after work, some rotated shifts and some even took leave to be there," one organizer explains.
"We reactivated the group as soon as we heard what was happening last Thursday," he says.
The organizer also considers the kitchen as an "continuation" of his community service in 2016, when heavy rains and floods killed hundreds across the country.
The team have compiled hundreds of calls for assistance, sent the information to authorities, and managed the delivery of food.
"Whatever we asked for, we got more than enough in response from the community," he notes.
A wave of coordination is also happening on the internet, where social media users have created a public database to channel resources and helpers.
Another community-run website helps supporters find relief camps and identify what is most needed in those areas.
Private companies have launched fundraising efforts, while local television channels have started an campaign to provide food and essential items like soap and toothbrushes.
Amid criticism over the management of preparations, the president has urged citizens to "put aside all political differences" and "unite to rebuild the nation".
Opposition politicians have claimed authorities of ignoring forecasts, which they say exacerbated the disaster's impact.
Recently, opposition lawmakers staged a walkout in parliament, claiming that the ruling party was trying to restrict debate on the disaster.
In affected communities, however, there remains a feeling of unity as people begin the cleanup after the floods.
"Ultimately, the joy of helping someone else in a crisis makes that exhaustion fade," one volunteer wrote after putting in long hours at relief sites.
"Disasters are not new to us. But, the compassion and capacity of our hearts is larger than the damage that occurs during a disaster."
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