groups have warned about the dire situation creating the net happening on the ground. happening on the ground. thousands are gathering in london s trafalgar square for a solidarity event in support of israel to mark 100 days since the 7th october hamas attack on israel. 0rganisers say this stand with israel rally will be the largest pro israel event in the uk. it will call for the release of more than 100 people who were kidnapped by hamas still remain hostage in gaza. let us head to our reporter aruna iyengar in trafalgar square. tell us more about what has been happening. tell us more about what has been ha eninu. ., tell us more about what has been happening- tell us more about what has been haueninu. . ., , ., happening. there are thousands of eo - le happening. there are thousands of people who happening. there are thousands of people who arrived happening. there are thousands of people who arrived here happening. there are thousands of people who arrived here in - hap