Talks to extend the Gaza ceasefire have failed to reach an agreement, a Palestinian official has told the BBC, as the US accused Hamas of making “entirely impractical” demands at meetings in Qatar.Negotiators have been trying to find a way forward after the first phase of the temporary truce ended on 1 March.The US proposed to extend the first phase until mid-April, including a further exchange of hostages held by Hamas and Palestinian prisoners held by Israel.But the unnamed Palestinian official said Israel and Hamas disagreed over key aspects of the deal set out by US Middle East envoy Steve Witkoff at the indirect talks. Israel is yet to comment, but Prime Minister Benjamin Netanyahu’s office said he would receive a report from Israel’s negotiating team later on Saturday.The White House accused Hamas of making “entirely impractical” demands in its response to Witkoff’s proposal.It would extend the ceasefire into April but delay the negotiation of a permanent end to the war.A statement from Witkoff’s office and the US National Security Council on Friday said: “Hamas is making a very bad bet that time is on its side. It is not.””Hamas is well aware of the deadline, and should know that we will respond accordingly if that deadline passes.”A Hamas statement seen by the BBC said negotiations had broken down.Netanyahu’s office had earlier said Israel accepted the US proposal.It said Hamas remained “firm in its refusal and has not budged a millimetre,” accusing the group of “manipulation and psychological warfare”.Israel and Hamas agreed to a ceasefire deal involving three stages in January, after 15 months of war.In the first stage, Hamas returned 25 living Israeli hostages, the remains of eight others, and five living Thai hostages. Israel released about 1,800 Palestinian prisoners in exchange.The deal says stage two will include the remaining living hostages in Gaza exchanged for more Palestinian prisoners.But both sides currently disagree on the number of hostages due to be released next.They also disagree on the with …