International and domestic pressure mounted Monday on Israeli Prime Minister Benjamin Netanyahu as US President Joe Biden said he was not doing enough to secure the release of Gaza captives, after the killing of six. Britain said it would suspend some arms exports to Israel, citing a “clear risk” they could be used in a serious breach of international humanitarian law. Israeli Defence Minister Yoav Gallant posted on X that he was “deeply disheartened” by London’s decision which he said came “when we mourn 6 hostages who were executed in cold blood by Hamas inside tunnels in Gaza”. At a televis…