1. Coldest Morning of This Fall… Cold Wave Advisories Issued in Areas

With Seoul's morning temperature lingering at 5°C (41°F) today (October 22), it marks the coldest morning of this autumn. As cold wave advisories have been issued across various parts of the country, the cold weather is expected to continue until tomorrow morning.

2. Suspect Admits to 'Yeoksam Serial Arson'… Arrest Warrant Requested

A man in his 70s, who is the suspect in the "Yeoksam-dong serial arson," has largely confessed to the crimes during police questioning. The police requested an arrest warrant for the man last night and are also considering applying charges of attempted murder.

3. Threat of "Anti-South Loudspeakers in October"… US Ambassador Mentions "Turbulence" in Seoul-Washington Ties

North Korea's Workers' Party Deputy Department Director Kim Yo-jong inspected the Military Demarcation Line where fortification work is underway, threatening to operate anti-South loudspeakers within this month. U.S. Ambassador to South Korea Michelle Steel publicly stated that the South Korea-U.S. alliance is experiencing "turbulence."

4. PHP Hacking Alert… "Switch to Offline If Updates Are Unavailable"

A severe security vulnerability has been discovered in PHP, the programming language used by 70% of websites worldwide. Information security agencies in the U.S. and Europe have recommended switching systems offline if immediate updates are not possible.