Sentence examples for have warned of from inspiring English sources

British unions have warned of general strikes.

Scientists have warned of impending disaster.

Recently, engineers have warned of widespread problems.

Catholic bishops have warned of increased gambling addiction.

International organizations working in Gaza have warned of growing hardship.

Other Republicans have warned of diplomatic desperation and capitulation.

Hezbollah's leaders have warned of disastrous consequences if that happens.

But German security officials have warned of a rising threat.

But others have warned of the need for caution.

Environmental campaigners have warned of weaknesses in the Californian scheme.

"Some international experts have warned of the potential for genocide.