ANKARA, Turkey -- Turkish Prime Minister Recep Tayyip Erdogan on Wednesday reshuffled his Cabinet after three key ministers resigned over a sweeping corruption and bribery scandal that has targeted his allies and rattled his government.
Mr. Erdogan replaced Economy Minister Zafer Caglayan, Interior Minister Muammer Guler and Erdogan Bayraktar, the minister for the environment and urban planning. All three men's sons were detained as part of the corruption investigation. They all deny any wrongdoing.
Mr. Erdogan also replaced the minister in charge of relations with the European Union who was also implicated in the probe but had not resigned.
In all, Mr. Erdogan replaced 10 ministers, including three who will contest mayoral elections in March.
The corruption probe is one of the biggest political challenges Mr. Erdogan has faced since his Islamic-based party narrowly escaped being disbanded in 2008 for allegedly undermining Turkey's secular Constitution. This summer, he also weathered a wave of anti-government protests sparked by a development project that would have engulfed an Istanbul park.
Turkish commentators believe the probe is fallout from an increasingly public feud and power struggle between Mr. Erdogan's government and an influential U.S.-based Muslim cleric, Fethullah Gulen, whose followers are believed to have a strong foothold within Turkey's police and judiciary. The two men, without naming each other, have been engaged in a war of words since the corruption probe was launched Dec. 17.
Mr. Gulen has denied being involved in the investigation. He left Turkey in 1999 after being accused by the then-secular government of plotting to establish an Islamic state. He was later cleared of that charge and allowed to return to his homeland, but he never has and is living in Pennsylvania.
In Istanbul, meanwhile, police clashed with hundreds of protesters demanding government's resignation, Dogan news agency reported.
Authorities have arrested 24 people on bribery charges, including Mr. Caglayan's and Mr. Guler's sons, along with the chief executive officer of the state-run bank Halkbank. Mr. Bayraktar's son, Abdullah Oguz, was detained as part of the probe but later released from custody.
Media reports said police seized $4.5 million in cash that was stashed in shoe boxes at the home of the bank's CEO, while more than $1 million in cash was reportedly discovered in the home of Mr. Guler's son.
In an address to his party's provincial leaders, Mr. Erdogan distanced himself from the ministers who resigned by emphasizing his party's record and determination to fight corruption. But he also repeated a claim that his government was the target of an international plot.
Last week, Mr. Erdogan threatened to expel ambassadors from Turkey after four pro-government newspapers accused U.S. Ambassador Francis J. Ricciardone of scheming against the government.
One newspaper, Sabah, pressed ahead with that allegation Wednesday by claiming that a U.S. diplomat had prodded a business group to join an "anti-government lobby."
That prompted a new rebuttal from the U.S. Embassy.
"Allegations targeting U.S. Embassy employees published in some media organs do not reflect the truth," the embassy said.