One of the Poles died and the other is in hospital.
Poland’s Onet.pl website reported that the two young men had their kidneys and other organs removed after travelling to Mexico earlier this month.
The foreign ministry in Warsaw said the condition of the man in hospital was improving.
It said inquiries were still ongoing, adding: “We appeal to people not to speculate on this subject.”
The ministry said a Polish consul was in “constant contact” with the families of the two men and with the Mexican prosecutor's office
(pk)
Source: PAP