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More than 30 African heads of state have gathered for an African Union summit in Kampala, the Ugandan capital.

The leaders urged for a united front against al-Shabaab, a Somali-based group responsible for a recent bombing in Kampala that claimed 70 civilian lives.

But some warn that upping the fight with al-Shabaab could play into the groups' hands.

Andrew Simmons reports from Kampala.

Source: Al Jazeera