Update 7pm: The Guardia Civil has confirmed that the two on board were the sole occupants and that they have been arrested in relation to drugs offences.
Original post 16 June 2pm: A drifting patera with just two immigrants was spotted by a fishing boat this lunchtime some 15 miles south-east of Los Cristianos, Salvamento Marítimo has reported. It was escorted into port by lifeboats and the Guardia Civil. A search is currently being undertaken at sea for other immigrants suspected to have been on board. Red Cross is on hand in Los Cristianos harbour to offer whatever medical or physical assistance is needed.