A plane has crashed near the international airport in South Sudan`s capital Juba, reportedly killing up to 40 people, reports BBC.Around 40 bodies were counted at the plane wreck site by a reporter for Juba station Radio Miraya.It is unclear how many of those were on the plane and how were on the ground.Radio Miraya said it was a cargo plane heading to Paloch in Upper Nile State and crashed just 800 metres (yards) from the runway.The plane came down on the east bank of the nearby River Nile.