Police in Germany and Portugal have clashed over sharing DNA evidence that could lead to a breakthrough in the Madeleine McCann case, according to reports.
German investigators want to retest a mystery saliva sample found in the holiday apartment the British toddler vanished from.
However, the Portuguese police are reportedly unwilling to budge, with a source close to the Policia Judiciaria labelling re-testing "a total waste of time".
The evidence was found on the youngster’s bed inside apartment 5A at the Ocean Club by forensic teams after she went missing in 2007.
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