On the next day, the multitude that stood on the other side of the sea saw that there was no other boat there, except the one in which his disciples had embarked, and that Jesus hadn't entered with his disciples into the boat, but his disciples had gone away alone.

 6:14-15 So when the men had seen the sign which he had done, they said: "Truly, this is the prophet who is to come into the world." So Jesus, aware that they were going to come and seize him to make him king, withdrew again to the mountain alone. 