The Mexican authorities became alarmed and ordered him to leave.

The authorities were becoming increasingly concerned by the unhealthy state of student activism.

The authorities had become very protective, and one hardly blamed them.

In recent decades, the authority has become involved in such other areas as running a hotel and industrial parks.

But so many people died in this way that the authorities became suspicious, and managed to trace the money to the criminals' bank accounts.

As Sudanese authorities became less obliging, normal costs of doing business increased.

Where single parishes became a local authority they were to have the title:

Over the years of football authorities have become obsessed with rooting out drug abuse in the game.

The authority in his voice had become as hard as a fist.