European stock markets have opened lower after talks on Greece failed again on Sunday.
'Significant gaps' remain between Greece and its international creditors according to European officials.
Europe wants Greece to promise significant reform in exchange for the unlocking of bailout funds that Athens needs to avoid bankruptcy.
Pension reform reportedly represents a major obstacle to agreement, with Greece refusing to cut pensions further.
Correspondent Olly Barratt says time is running out for Greece.
IN: "European officials...
OUT: ...at all."
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