(S (S (S (PP-SBJ (NP (PP (BASENP (NN 炭坑)) (IN の)) (BASENP (NN 所有) (NN 者))) (IN は)) (VP (PP (NP (PP (BASENP (NN 地元)) (IN の)) (NN 警察)) (IN に)) (VP (VP (NN 拘留) (VBO さ)) (VP (VBV れ))))) (COMMA 、) (S (PP-SBJ (NP (PP (BASENP (NN 洪水)) (IN の)) (BASENP (NN 原因) (NN 究明))) (IN が)) (VP (VP (VP (VBO 進め) (VP (VBV られ))) (INTE て)) (VP (VB いる))))) (PERIOD 。))
炭坑 の 所有 者 は 地元 の 警察 に 拘留 さ れ 、 洪水 の 原因 究明 が 進め られ て いる 。
Owners of the coal mine have been detained by local police and the investigation into the cause of the flooding is underway .