UN climate talks extended as developed and developing nations fail to agree on targets

United Nations climate talks seeking to halt the destructive effects of global warming have gone into overtime

Delegates knuckled down for a long night of last-ditch haggling to find consensus on an interim plan to rein in climate change and pave the way for a new deal.

Negotiators locked horns on funding for poor countries and extending the greenhouse gas-curbing Kyoto Protocol.

The US and the European Union have refused to put concrete figures to the plan to raise climate funding for poorer nations

Developing countries, meanwhile, say they need at least another 60 billion US dollars to deal with a climate change-induced rise in droughts, floods, rising sea levels and storms.

Non-governmental organisations and delegates have expressed frustration at the slow pace of negotiations