Customs agency officials demonstrate drug screening procedures at Incheon International Airport, July 22. Korea Times photo by Shim Hyun-chul

The number of drug offenders apprehended through special crackdowns reached 5,203 in the first half, police said Sunday, vowing to step up measures against substance-related crimes for the rest of 2026.

Of those rounded up through special crackdowns in the first half, 1,039 were arrested, according to the police. It marked a 7.8 percent on-year rise from the previous year.

Among the apprehended drug offenders, those involved in the production, smuggling and sales of drugs accounted for 39.2 percent of the total, compared with 36.4 percent a year earlier.

Those who were involved in online substance-related crimes accounted for 41.9 percent of the total, up from 36.8 percent compared with the year before.