US President Joe Biden, following the killing of hostages by Hamas militants who were captured in Israel, emphasized the importance of holding the leaders of the terrorist organization accountable, according to the White House and Reuters. On September 2, US President Joe Biden and Vice President Kamala Harris met with the US team handling negotiations for the release of hostages held by Hamas. In a statement from the White House, Biden expressed his dismay and outrage over the killings and affirmed the importance of holding Hamas leaders accountable. Biden and Harris also received updated inf…