Israel is facing growing calls to exercise restraint in Gaza by several U.S. officials in the Joe Biden administration. U.S. secretary of defence, Lloyd Austin, has warned Israel of a strategic defeat against Hamas if it continues bombing innocent Palestinians. U.S. Vice President Kamala Harris also urged Israel to protect Palestinian civilians in the Gaza strip. The warnings came as Israel intensified Gaza bombardment following a fallout of truce talks with Hamas. Watch for more details.