Two men from the Middle East who came to the United States as refugees were arrested on federal terrorism charges in California and Texas for supporting Islamic militant groups Maliek Collins Jersey , U.S. officials said on Thursday.


They are the latest in a series of similar cases in a U.S. campaign against extremism. Neither man was charged with plotting an attack on the United States. One man was charged with supporting the Islamic State militant group overseas and both were charged with providing false information about their ties to what were described as international terrorist groups.


There have been more than 75 publicized arrests of U.S. residents who have allegedly become radicalized by Muslim militants since 2014.


The men, arrested in Sacramento and Houston, were not involved in a single plot, but they may have been in contact with each other, a source familiar with the two cases said.


Both men are Palestinians who were born in Iraq. The man arrested in Houston, Omar Faraj Saeed Al-Hardan Jaylon Smith Jersey , entered the United States as an Iraqi refugee in November 2009, according to a court document.


In Sacramento, the U.S. Department of Justice said Aws Mohammed Younis Al-Jayab, 23, came to the United States in 2012 as a refugee from Syria.


Texas Lieutenant Governor Dan Patrick, a Tea Party Republican Xavier Woods Jersey , cited the arrest in Houston as a reason why Texas has been seeking to block the resettlement of Syrian refugees.


“This is exactly what we have repeatedly told the Obama administration could happen and why we do not want refugees coming to Texas. There are serious questions about who these people really are, as evidenced by today's events," Patrick said in a statement.


Republican leaders have been calling on President Barack Obama, a Democrat, to move with caution in allowing refugees from Syria to resettle in the United States.


Obama said last year that the United States would take in 10,000 Syrian refugees by Oct. 1 Jourdan Lewis Jersey , 2016, prompting vows of defiance from more than 30 governors who warned of risks to national security.


Most of the 75 cases for activity inspired by Islamic State involve young men allegedly seeking to support the militant group by traveling to fight with them in Syria or helping others join Islamic State abroad.


The Justice Department "will continue to hold accountable those who seek to join or aid the cause of terrorism, whether at home or abroad," Assistant Attorney General John Carlin said in a statement.


Al-Hardan was charged with providing material support to the Islamic State militant group and for making false statements about ties to the group when seeking U.S. naturalization, according to an indictment in federal court in Houston unsealed on Thursday.