BAGHDAD, Iraq (CNN) -- Six gay men were shot dead by members of their tribe in two separate incidents in the past 10 days, an official with Iraq's Interior ministry said.

In the most recent attack, two men were killed Thursday in Sadr City area of Baghdad after they were disowned by relatives, the official said.

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The shootings came after a tribal meeting was held and the members decided to go after the victims.

On March 26, four additional men were fatally shot in the same city, the official said, adding that the victims had also been disowned by their relatives.

The official declined to be identified because he is not authorized to speak to the media.

Witnesses told CNN that a Sadr City cafe, which was a popular gathering spot for gays, was also set on fire.

All About Iraq • Sadr City