1.   Their arrival caused mayhem as crowds of refugees rushed towards them.

2.   The action potential stops at the synapse, but its arrival causes the release of a transmitter substance from the neuron which diffuses across the gap.

3.   His arrival Sunday caused an undeniable stir in the clubhouse.

4.   His arrival has already caused the departure of Luis Polonia, a popular player.

5.   Their arrival caused surprising controversy.

6.   Their arrival caused a mild commotion when they called on students from their position outside campus to take the protest onto the streets.

7.   His arrival caused surprise in Pacific diplomatic circles as Mamaloni seldom attends any summits.

8.   Their arrival caused outrage in the Georgian capital Tbilisi.