Here are a few options for a formal title, depending on your preferred focus:
Option 1 (Direct and precise):
EU Commission Engages Fact-Checkers to Support TikTok and Meta Following Ceuta Crisis
Option 2 (Focus on regulatory action):
EU Commission Mandates Fact-Checking Oversight for TikTok and Meta in Response to Ceuta Crisis
Option 3 (Concise and formal):
EU Commission Deploys Fact-Checkers to Platforms Following Ceuta Crisis
Recommendation: Option 1 is the most standard and professional choice for a report or news article.