CNN White House correspondent Jim Acosta said Friday that the network will not allow itself to be "terrorized," days after an explosive device was mailed to its New York office.

Acosta made the comments in a tweet after accepting the Hearst Award for excellence in professional journalism at San Jose State University.

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"I dedicated the award to all of my fellow journalists at @CNN," Acosta said. "As I told the crowd, we will not be terrorized. The events of this week have put steel in our spines."

Proud to be honored with the William Randolph Hearst Award at @SJSU this week. I dedicated the award to all of my fellow journalists at @CNN. As I told the crowd, we will not be terrorized. The events of this week have put steel in our spines. https://t.co/0V55NN3mQu — Jim Acosta (@Acosta) October 26, 2018

Acosta's comments came during a week in which a series of explosive devices and suspicious packages were sent to prominent Democratic figures, such as former President Obama and Hillary Clinton Hillary Diane Rodham ClintonThe Memo: Trump furor stokes fears of unrest Bloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close MORE, as well as to CNN's New York offices.

The Justice Department announced Friday that it had arrested a Florida man in connection with the suspicious packages. Cesar Sayoc Jr., a 56-year-old resident of Aventura, Fla., was charged with five federal crimes and faces up to 48 years in prison.

Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsRoy Moore sues Alabama over COVID-19 restrictions GOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs MORE said the alleged perpetrator "appears to be a partisan" during a press conference, but declined to comment further. Many have seized on a white van allegedly belonging to Sayoc that was draped in political stickers, including one that read, "CNN Sucks,” alongside various pro-Trump stickers.

CNN Worldwide President Jeff Zucker on Wednesday said President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE's frequents attacks on the media played a factor in the explosives being sent to CNN and other recipients of the packages.

"There is a total and complete lack of understanding at the White House about the seriousness of their continued attacks on the media," Zucker said in a statement.

His statement has been echoed by multiple journalists who work at the network.