ANSWER:

He must strike the floor and make tayammum as there is dust on it and pray. 

sheikh if a muslim is travelling in public bus from one city to other city in non muslim country.and its time for fajr and he is not in wudu.but by the time he reaches his destination (bus station)time for fajr will end.and bus driver will not stop in between and there is no masjid also in between.How should he pray in this condition.?note tayamum is also not possible in bus

Prayer |