Greece on Monday condemned the killing of a five-member Israeli family, including three children, in the West Bank, and called for resumption of the peace process and abstention from unilateral actions that undermine the process.

"We unreservedly condemn the murder of a five-member family of Israelis with their three children and express our deepest condolences and support to their loved ones. The murder of children in their sleep is an unholy and barbarous act that the human mind cannot conceive," foreign minister spokesman Grigoris Delavekouras said in a statement.

"The murderers must be led to justice immediately," he added.

Delavekouras said that the efforts for peace in the region must continue with coolheadedness, and resumption of the peace process and abstention from unilateral actions that undermine the prospects of the process are mandatory.

The positions of the Greek government on the colonisation issue are well-known, and are positions clearly dictated by international law, the spokesman added.

"However, any act of violence against the unarmed population is deplorable, from wherever it originates," Delavekouras concluded.