A federal judge has ruled that David Rush, the C.I.A. employee, must remain in detention. U.S. officials say Mr. Rush funneled millions in federal funds to himself.

The Defense Department has increased the counterintelligence threat assessment to its highest level, and Israel is believed to have eavesdropped on American negotiations with Iran.

European authorities have grown concerned about a rise in Iranian intelligence activity in Europe in the wake of the U.S.-Israeli war in Iran.

The government of Prime Minister Viktor Orban has pursued an intensifying campaign against critics in a tough race before April elections.

Moscow may be challenging President Trump’s effort to choke Cuba’s economy. China also has suspected listening posts on the island.

His father, Ayatollah Ali Khamenei, had turned what was traditionally a religious affairs office into a shadowy national security juggernaut.

Joani Reid, a Labour member of parliament, said she had never “seen anything to suspect” her husband had broken the law. The Metropolitan Police said three men were arrested under the National Security Act.

President Trump is beginning to consider what sort of Iranian government might come next, as the U.S.-Israeli assault continues.