Top congressional Democrats on Wednesday slammed President TrumpDonald John TrumpMcCabe says he was fired because he 'opened a case against' Trump McCabe: Trump said 'I don't care, I believe Putin' when confronted with US intel on North Korea McCabe: Trump talked to me about his election victory during 'bizarre' job interview MORE's response to a series of suspicious packages sent to prominent Democratic officials, saying his "words ring hollow." 

"Time and time again, the President has condoned physical violence and divided Americans with his words and his actions," Senate Democratic Leader Charles SchumerCharles (Chuck) Ellis SchumerGOP Green New Deal stunt is a great deal for Democrats National emergency declaration — a legal fight Trump is likely to win House Judiciary Dems seek answers over Trump's national emergency declaration MORE (N.Y.) and House Democratic Leader Nancy PelosiNancy Patricia D'Alesandro PelosiThe national emergency will haunt Republicans come election season On unilateral executive action, Mitch McConnell was right — in 2014 National emergency declaration — a legal fight Trump is likely to win MORE (Calif.) said in a joint statement.

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The two Democratic leaders pointed to Trump's support for Rep. Greg GianforteGregory Richard GianforteSarah Sanders: ‘Absurd’ to say Trump has encouraged violence at rallies Montana Dems introduce bill increasing penalties for assaulting journalists Here are the lawmakers who will forfeit their salaries during the shutdown MORE (R-Mont.), who pleaded guilty to assaulting a reporter, and accused the president of supporting "dictators around the world who murder their own citizens, and referring to the free press as the enemy of the people."

"President Trump's words ring hollow until he reverses his statements that condone acts of violence," Schumer and Pelosi said.

Their statement comes after Trump said that he condemned "political violence" and urged the country to unify after suspicious packages were mailed to a number of prominent Democratic officials, donors and to CNN, a network often targeted by Trump.

"I just want to tell you that in these times, we have to unify. We have to come together and send one very clear, strong, unmistakable message that acts or threats of political violence of any kind have no place in the United States of America,” Trump said at a White House event where he signed an anti-opioid epidemic bill into law.

Authorities intercepted explosive devices addressed to former President Obama, Hillary ClintonHillary Diane Rodham ClintonFemale Dems see double standard in Klobuchar accusations Klobuchar, O'Rourke visit Wisconsin as 2020 race heats up McCabe's shocking claims prove the bloodless coup rolls on MORE, former CIA Director John BrennanJohn Owen BrennanOvernight Defense: Trump declares border emergency | .6B in military construction funds to be used for wall | Trump believes Obama would have started war with North Korea | Pentagon delivers aid for Venezuelan migrants Trump: I believe Obama would have gone to war with North Korea Intel agencies' threat assessment matters more than tiff with Trump MORE and former Attorney General Eric HolderEric Himpton HolderOcasio-Cortez to be first guest on new Desus and Mero show Holder says he will make 2020 decision in coming weeks Holder: If Trump directed Cohen to lie, impeachment proceedings ‘must begin’ MORE. Another suspicious package addressed to Rep. Maxine WatersMaxine Moore WatersPrivate insurance plays a critical part in home mortgage ecosystem On The Money: Lawmakers closing in on border deal | Dems build case for Trump tax returns | Trump, Xi won't meet before trade deadline | Waters in talks with Mnuchin for testimony Waters in talks with Mnuchin for testimony on lifting of sanctions on Russian firms MORE (D-Calif.) was also intercepted by police.

On Monday an explosive was found at Democratic mega-donor George Soros's home. And separately on Wednesday, the Time Warner building in New York City was evacuated after reports of a suspicious package sent to CNN.

Trump did not mention any of the officials targeted by name and did not address criticism that his own rhetoric has helped contribute to the political environment.

Republican and Democratic lawmakers have condemned the attempted attacks, but some of the president's critics have noted that his comment on Wednesday comes just days after he praised Gianforte at a rally in Montana.

Schumer and Pelosi added that they "listened with great interest" to the president's comments on Wednesday. 

“Once again, we salute the heroism of America’s first responders as they work to counter the outrageous mail bomb attack. ... We all take an oath to support and defend the Constitution and protect the American people, and that is our first responsibility," they said. 

The joint statement comes after Schumer said in a tweet on Tuesday that political violence should be condemned regardless of who is being targeted. 

"Make no mistake: Despicable acts of violence and harassment are being carried out by radicals across the political spectrum — not just by one side. Regardless of who is responsible, these acts are wrong and must be condemned by Democrats and Republicans alike. Period," Schumer said

 
--This report was updated on Oct. 25 at 7:31 a.m.