Yasin Ayah 48

وَيَقُولُونَ مَتَىٰ هَـٰذَا ٱلْوَعْدُ إِن كُنتُمْ صَـٰدِقِينَ ٤٨ And they ask ?the believers?, “When will this threat come to pass, if what you say is true?”