Local media said the trio who died in Taboadela were a married couple and their adult son.
Kilmar Ábrego García was removed from the US in March.
India had accused Pakistan of supporting militants behind an attack in Indian-administered Kashmir that killed 26 tourists.
The Russian president "wants an end to the conflict and what's a more memorable time than the celebration of Victory Day on May 9".
Pee-donations are collected, driven to a large tank where the urine is pasteurised by heating it to 80C (176F) for 90 seconds.
Police are investigating the possibility the deaths are related to gang crime, Swedish media reported.
On April 25, Putin and Witkoff held their fourth meeting since the beginning of the year.
North Korean forces added significantly to liberating Russia’s Kursk region from Ukrainian units.
The Forbidden Zone spans almost the entire length of the Iraqi border with Turkey and is up to 40km (25 miles) deep in places.
