Why did China give 10,000 pigeons a full-body search?

Before releasing 10,000 doves at sunrise in Beijing's Tiananmen Square in a ceremony Wednesday for China's National Day, security officers checked all their orifices for explosives.

By , Associated Press

Screengrab from Inform

The 10,000 doves released in a ceremony Wednesday for China's National Day underwent unusual scrutiny, each having a full-body check - including all orifices – for dangerous materials, state-run media reports said, reflecting government jitters over possible attacks.