Targeting mistake led to US missile strike on Iranian school: report

The announcement followed street violence that The Korea Times described as among the country's worst in years. The restrictions were scheduled to run from 8 p.m. to 6 a.m. on both nights.

The advisories emphasized avoiding crowds and following police instructions, but did not uniformly discourage travel. Poland left its overall assessment of travel safety unchanged, while Malaysia advised travelers to consider delaying nonessential trips, The Korea Times reported.

The unrest followed a Saturday demonstration over rising costs and poor public services that began peacefully, the newspaper reported. The government's response could include changes affecting minors, who accounted for 23 of the 32 people arrested during Sunday's unrest in Milan.