"Mehbooba was taken into custody by police at Pulwama town," PDP chief spokesman Naeem Akhtar told PTI.
He said the PDP president was going to Shopian to meet the families of the youth killed in CRPF firing on Saturday.
Four persons were killed when CRPF personnel opened fire to repulse a militant attack at Gagran in Shopian town, 52-km from here.
Police has said while three of the slain youths were civilians, the fourth youth was a Pakistani militant Abdullah Haroon.
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