'ANTI ICE' engraved bullet found at scene of Dallas immigration centre shooting, FBI chief says

A gunman who carried out a fatal shooting at an immigration facility in the US left a bullet engraved with the phrase "ANTI ICE", the FBI has said.

The deadly attack at an Immigration and Customs Enforcement (ICE) field office in Dallas, Texas, is being investigated as an act of "targeted violence".

Donald Trump said he had been briefed, describing the attacker as "deranged" and the shooting as "despicable".

Referencing what he called "continuing violence from Radical Left Terrorists", he said he would he signing an executive order this week to "dismantle these Domestic Terrorism Networks".

He said the "Brave Men and Women of ICE" were simply trying to do their jobs and remove "criminals" from the United States while facing an "unprecedented increase" in threats and violence.

The Department of Homeland Security (DHS) said one detainee had died while two others were in a critical condition.

The attacker also died from a self-inflicted gunshot wound. Officials have named the suspect as 29-year-old Joshua Jahn, Sky's US partner NBC News reported.

"The shooter fired indiscriminately at the ICE building, including at a van in the sallyport where the victims were shot," the DHS said in a statement.

Jahn's brother Noah told NBC his sibling "didn't have strong feelings about ICE as far as I knew".

"I didn't think he was politically interested," he added. "He wasn't interested in politics on either side as far as I knew."

How did the attack unfold?

The gunman opened fire on the office from an adjacent building at about 6.40am local time, officers said.

Dallas FBI Special Agent Joseph Rothrock said it was a "coordinated attack" and "just the most recent example we've seen of targeted violence".

Early evidence suggested the incident was "anti-ICE in nature", he added.

A recovered, unspent shell casing was engraved with the phrase "ANTI ICE", said FBI director Kash Patel.

Multiple rounds were fired just before 7am local time, Mr Patel said.

An initial review of evidence shows an "ideological motive behind this attack", he added, describing the assault as "despicable".

The "whole of government" will respond, Mr Rothrock said.

"There will be no resource not utilised to bring all those individuals who are responsible to justice and to hold them accountable."

No police officers had been hurt, Mr Rothrock added.

The victims were being led into the building to be processed and repatriated, Fox News reported, citing Dallas police Department sources.

Arianny Sierra told NBC News said she was in her car with her nine-year-old son when a series of shots rang out.

"There were like 20 shots in a row," she said. "I sheltered myself under the car with my son."

Greg Abbott, the governor of Texas, said the shooting would "NOT slow our arrest, detention, and deportation of illegal immigrants".

He added: "We will work with ICE and the Dallas Police Department to get to the bottom of the assassin's motive."

US Vice President JD Vance said: "The obsessive attack on law enforcement, particularly ICE, must stop.

"I'm praying for everyone hurt in this attack and for their families."

No ICE agents were shot or hurt, NBC News reported.

US Attorney General Ken Paxton said: "We will continue to do everything in our power to combat the alarming increase of targeted attacks against ICE and all law enforcement by evil, twisted individuals."

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