The Paris terrorist attacks won't delay the trial of accused Boston Marathon bomber Dzhokhar Tsarnaev, a federal judge ruled Wednesday, dismissing concerns raised by the suspect's lawyers that last week's Charlie Hebdo massacre could prejudice jurors against their client.

Three days into jury selection at Boston's federal courthouse, Islamic gunmen attacked the Charlie Hebdo offices in Paris, leaving 12 people dead. On Tuesday, Mr. Tsarnaev’s lawyers asked U.S. District Judge George A. O’Toole Jr. to suspend jury selection for at least a month.

Defense lawyers cited various media reports that drew parallels between the manhunt in Paris that followed the shooting and the frantic scene in Boston after the April 2013 bombing, which killed four people and wounded hundreds.

"This measure would allow some time for the extraordinary prejudice flowing from these events – and the comparison of those events to those at issue in this case – to diminish," federal public defender Miriam Conrad and her co-counsel wrote in their motion.