reach an impasse / come to a standstill / become deadlocked / come to a dead end

come to a deadlock / reach a stalemate / reach a dead end

become deadlocked / reach an impasse / come to a standstill

come to a deadlock / reach a stalemate / reach a dead end

pass by / happen to come along

happen to come along / happen to pass by

on *one's way to / happen to come along / approach / happen to pass by / near

gasp for breath / gasp / pant / be out of breath

gasp / pant