(Bloomberg) -- Prime Minister Rishi Sunak resisted calls for the UK to back a ceasefire between Israel and Hamas, as both he and opposition Labour Party leader Keir Starmer came under pressure to shift their stance on the conflict.Most Read from BloombergControversial Chip in Huawei Phone Produced on ASML MachineTrump Signals Support for Johnson’s Bid to Become House SpeakerNasdaq 100 Set for Worst Drop of 2023 as Yields Up: Markets WrapChina Developer Country Garden Deemed in Default on Dollar