Taiwan was hit with widespread power outages affecting Taipei on Thursday morning.

The outages affected major cities including Taipei.

This comes as Taiwan continues to face frequent threats from mainland China.

Nikkei Asia reported:

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Taiwan reported a massive blackout on Thursday that is affecting its two biggest cities as well as its most important iPhone processor production hub.

Taipei, the capital, and Kaohsiung, the second biggest city, were among the areas affected.

Taiwan Power Co. said in a brief statement that its southern power grid system encountered a malfunction, causing the blackout. Knock-on effects from the outage triggered power outages in some parts of northern and central Taiwan as well.

The malfunction took place at Kaohsiung’s Hsinta Power Plant, the biggest power plant in southern Taiwan, according to the company.