A fire at South Korea's data infrastructure centre on Friday interrupted dozens of online government services including websites and email, according to media reports.
The battery fire at the National Information Resources Service began about 8:15 pm in Daejeon, about 140 km (86 miles) south of Seoul, Yonhap and The Chosun daily reported, citing the interior ministry.
People were evacuated from the scene and one person suffered a minor injury, the reports said.
The National Information Resources Service and Seoul Metropolitan Government did not immediately respond to a Reuters request for comment outside regular business hours.
The fire forced the suspension of 70 online government services, including the mobile identification system and the government platform for complaints and petitions, according to the media outlets.
The US House of Representatives rejected an effort on Thursday to stop President Donald Trump's air war on Iran and require that any hostilities against Iran be authorized by Congress, backing the Republican president's military campaign.
Foreign ministers from the Gulf Cooperation Council (GCC) and the European Union have strongly condemned the Iranian attacks targeting GCC states, calling them a direct threat to regional and global security.
US President Donald Trump claimed the right to join Iran in deciding its next leader as the war escalated, with US and Israeli jets hitting areas across the country and Gulf cities coming under renewed attack.
British Prime Minister Keir Starmer said on Thursday that four additional Typhoon fighter jets would be sent to Qatar amid the ongoing regional developments, insisting that the UK has the right plan for defence.
The Arab Interior Ministers Council has strongly condemned the Iranian attacks targeting several Arab countries, describing them as a flagrant violation of international law and the Charters of the United Nations.
His Highness Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Crown Prince of Dubai and the UAE's Deputy Prime Minister and Defence Minister, has discussed the latest regional developments with Saudi Defence Minister Prince Khalid bin Salman bin Abdulaziz Al Saud.