The medical team who treated Teresa Romero, the Spanish nurse infected with Ebola, (from left) Marta Mora, Marta Arsuaga, José Ramon Arribas and Fernando de la Calle, arrive for a press conference at the Hospital Carlos III in Madrid today. Photograph: Luca Piergiovanni/EPA

The United States has imposed restrictions on all travellers entering from the three west African countries worst affected by the Ebola outbreak, proc(...)

A health worker wearing a protective suit stands near a window at an isolation ward in Madrid’s Carlos III Hospital. Teresa Romero, a nurse infected with Ebola, is showing signs of improvement. Photograph: Paul Hanna/Reuters

A female hospital worker in Texas who treated the first man to die of Ebola in the United States has been diagnosed with the deadly disease, marking t(...)

Passengers queueing at a Transportation Security Administration (TSA) checkpoint at John F. Kennedy International Airport this week. Photograph: Justin Lane/Reuters

Stepped up efforts by the US to halt the spread of the Ebola virus will start at New York’s John F. Kennedy International Airport today, where teams (...)

Walter O’Brien, the son of a Wexford farmer, says he has an IQ of 196. The Irishman’s life is now the subject of Scorpion, a prime-time TV drama in the US.  Photograph:  Lisette M. Azar/CBS via Getty Images

The man with perhaps the fourth-highest IQ ever measured says, “Once your IQ is 150 or over, it stops beings ability and becomes a disability.” Walter(...)

US Secret Service Director Julia Pierson, the first woman to lead the agency, has resigned. Photograph: Kevin Lamarque/Reuters

US Secret Service Director Julia Pierson has resigned following a number of security lapses at the White House. Homeland Security Secretary Jeh Johnso(...)

Members of the Secret Service on the North steps of the White House in Washington yesterday. The man who breached security at the White House this month raced through several rooms on the main floor, penetrating farther into the building than previously disclosed. Photograph: Doug Mills/The New York Times 0:51

The man who breached security at the White House this month raced through several rooms on the main floor, penetrating farther into the building than (...)

The deportation trial was adjourned when Mahmoud Bazzi’s attorney failed to turn up to court on time.

The Lebanese man suspected of involvement in the 1980 abduction and killings of two Irish UN peacekeepers and the shooting of a third has told an Amer(...)

Mahmoud Bazzi,  a suspect in the abduction, torture and killing of two Irish soldiers serving as UN peacekeepers in Lebanon 34 years ago. Photograph: AP Photo/Detroit Free Press, Brian Kaufman

John O’Mahony has no doubt that Mahmoud Bazzi is the man who shot him. The Co Kerry farmer was one of three Irish soldiers abducted while serving with(...)

Border policies: anti-immigration demonstrators picket before the scheduled arrival of undocumented migrants at the Murrieta Border Patrol Station. The activists have prevented migrants entering the town for several days. Photograph: Sam Hodgson/Reuters

A long a dusty southern Californian road, protesters occupy two spots just a few hundred yards apart. These are the two entry routes where they can st(...)

Jeh Johnson, US secretary of Homeland Security, said he directed the Transportation Security Administration to implement the measures in the coming days. Photograph: Andrew Harrer/EPA

The United States said today it would increase security at overseas airports with non-stop flights to the country and US officials cited concerns al-Q(...)