article_snippet.sent: Melanie Serita Buck, 33, from Bromley (pictured outside Croydon Crown Court) is accused of killing the frail widower during the alleged trolley rage incident .
article_snippet.sent: Miss Buck (left) has pleaded not guilty to manslaughter as well as an alternative charge of inflicting grievous bodily harm .
article_snippet.sent: Following the death of his wife in 2010, Buck (left) Buck (left) was charged with manslaughter and an alternative charge of grievous bodily harm.
article_snippet.sent: Buck (left) denies both charges.
article_snippet.sent: Buck (left) told officers Buck
article_snippet.sent: Buck (left) would not have known that when Buck (left) rammed Buck (left),' Buck (left) added. '
article_snippet.sent: However, Buck (left) knowledge of Mr Buckley condition is irrelevant really.
highlights_snippet.sent: Buck, from Bromley, denies manslaughter and GBH - the case continues .