Divorce triggers an outpouring of deep emotions: sympathy for the couple whose marriage has failed and concern for the welfare of their children.

The nuclear accident at Chernobyl in the Soviet Union in 1986 underscored Finland's vulnerability and triggered renewed concern over shortcomings in the civil defense program.

In the past, the use of ADHD drugs has triggered concern after reports of heart problems.

That's manageable in the judgment of Standard & Poor's but enough to trigger concern among some who remember the debt-ridden crisis of the 1970's.

The arrest warrants triggered concern in the United Kingdom because the CIA officials were reported to have used UK passports.

We agreed, for example, that giving Walter Mondale a cabinet appointment might trigger concern that the administration was filled with Carter retreads.

The criminal charges triggered concern from Human Rights Watch and the NED-related World Movement for Democracy.

That case triggered concern at the hospital that other women with abnormal results might also have never learned they had tested abnormally.

Caseworkers had been confused over the identity of various Cortez children and repeatedly failed to look up records that might have triggered more serious concern about the situation.

Two teenagers deaths in March 2010 triggered nationwide concern about the drug mephedrone in the UK.