UPDATE 6-South African police probe mining feud, business rivalry after shootings kill 27

(Adds quotes from president in paragraphs 2, 4 and 7) * Seventeen killed in one incident, 10 in another * First may be linked to illegal mining, other to a business rivalry * No arrests yet as police

(The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)