so we translate that heading.
Heading: "Sanctions bite deeper" -> "Οι κυρώσεις πλήττουν βαθύτερα" or "Οι κυρώσεις γίνονται πιο επώδυνες" but we need to keep it as a heading. We'll use "Οι κυρώσεις πλήττουν βαθύτερα" or "Οι κυρώσεις εντείνονται" but the phrase "bite deeper" implies they have a stronger effect. I