Sri Lanka, April 27 -- A small passenger plane has crashed in South Sudan killing all 14 people on board, the country's civil aviation authority (SSCAA) has said.

Officials have sent a team to the crash site for investigations but initial reports have suggested the aircraft may have come down "due to adverse weather conditions, particularly low visibility", the SSCAA added in a statement.

The plane crashed about 20km (12 miles) south-west of the capital, Juba, on Monday morning. It had taken off from Yei at 09:15 local time ( 07:15 GMT) and the authorities lost contact about 30 minutes into the journey to the capital.

Among the 14 on the flight - the pilot and 13 passengers - were 12 South Sudanese and two Kenyans.

The plane - a Cessn...