A large explosion rocked the Yemeni police academy in the capital Sanaa, causing dozens of casualties, a police source has said.

The source said the blast took place as cadets were leaving the academy as classes finished.

The explosion caused the death of 20 people reported Al Arabiya.

Reuters reported dozens of casualties, a police source said.

AFP has reported it as a suicide attack on the police academy.

The source said the blast took place as cadets were leaving the academy as classes finished.

More to come soon....