Istanbul, Turkey ? Turkey’s prime minister assured mourners Saturday that police would catch the accomplices of the four Turkish suicide bombers who carried out recent Istanbul attacks that killed 57 and injured hundreds more.

“We must not be intimidated,” Prime Minister Recep Tayyip Erdogan said at the funeral for popular Turkish actor Kerem Yilmazer. “Bombs cannot stop us living freely.”

At a later funeral for two policemen slain in the latest assaults, Erdogan acknowledged that the bombers were Turkish but said they had “links abroad.”

“Let us hope there are no others,” he continued, “but if there are, authorities are pursuing them, and I am sure they will be caught.”

Claims of responsibility for the four bombings have come from several groups or individuals claiming to be affiliated with Osama bin Laden’s al-Qaida terrorist network.

Thursday’s attacks hit the British Consulate and offices of the London-based HSBC bank, killing 30. Five days before, suicide bombers attacked two synagogues, killing 25. The four assailants also died.

At least one of Thursday’s bombers is believed to be from Bingol, a Kurdish city in southeastern Turkey that was home to the first pair of suicide attackers.

Istanbul anti-terror police said Saturday they’d arrested more than 10 people during the past two days in connection with the blasts.

“We have made important strides in the investigation,” Turkey’s Justice Minister, Cemil Cicek, told CNN-Turk television.

U.S. blamed

President Bush said Friday that the attacks showed that Turkey is a new front in the “war on terror.” But many Turks believe he shares blame for the attacks because of his policies on Israel and Iraq. Demonstrators who turned out across Turkey’s major cities Saturday morning hammered home that message.

“Bush has announced a crusade, saying, ‘You are on our side, or you are on the side of terrorism,’ one protester told thousands of others at a peaceful demonstration Saturday in Istanbul’s main Taksim Square.

“We are against both,” the protester said. “We will not be the slave of Bush or terror.”