Arini Capital Management, Silver Point Capital and King Street Capital Management are among a subset of Altice International creditors seeking better terms than other lenders in any restructuring deal with the telecom firm. Elliott Investment Management is in discussions to join the group, which also includes Sona Asset Management, Diameter Capital Partners LP and Invesco Ltd., according to people familiar with the matter. Elliott's involvement would see the bloc account for roughly 60% of the company's secured debt, one of the people added.