The war quickly escalated: some 550,000 American troops were there by 1969.

Things quickly escalated and a riot soon broke out, for which the police were sent.

The strike began over pay increases but quickly escalated to include many other aspects of the system.

In the past, job losses have meant that the city's poverty rate escalated quickly.

Things escalate quickly and the two move in together and begin trying to have a child.

A local fracas escalated quickly into an international debate about public art.

Bidding for his gift started at a mere $100 but quickly escalated to $2,000.

Not surprisingly, that quickly escalated into much more damaging attacks.

As demand for legal assistance grew, expenses began to quickly escalate.