Germany denounced the parading of European observers held captive by pro-Russian rebels in Ukraine as "revolting", and said Moscow had a duty to press its separatist allies to free the prisoners.
"The public parading of the OSCE observers and Ukrainian security forces as prisoners is revolting and blatantly hurts the dignity of the victims," German Foreign Minister Frank-Walter Steinmeier said in a statement.
More top news
Nearly one million people could have their homes repossessed because they do not have a plan to pay off their interest-only mortgages.
Social services officials think that Charlie Clift, five, and Kaiton Warnes, two, are in North Cyprus with their mother Amelia Warnes, 23.
Aylan Kurdi, three, and his brother Galip, five, perished with their mother as their father, who survived, desperately tried to save them.