TAIPEI, Taiwan (AP) — Power has been restored to millions of people in Taiwan after an equipment failure at a power plant set off rolling blackouts across the island.

After blackouts started around 3 p.m. Thursday, power was restored gradually starting at 8 p.m., Taiwan’s official Central News Agency said.

The outage disrupted a daily briefing being given by government officials on the island’s pandemic situation.

Taipower, the government-run electric company, said the outages affected 8.46 million households and emergency repairs were being done.

In Hsinchu, 150,000 households lost power. In the southern city of Tainan, 14 districts were affected.

President Tsai Ing-wen issued a statement saying the government was handling the situation and the cause of the outage would be investigated.