An ambulance crew and their police escort await the arrival of an air ambulance carrying 14-year-old injured Pakistani girl, Malala Yousufzai, at Birmingham International airport in central England October 15, 2012.

The plane carrying Malala Yousufzai, the Pakistani girl shot in the head by Taliban gunmen, arrives at Birmingham airport, England October, 15, 2012.

The ambulance carrying Malala Yousufzai leaves Birmingham airport, England, Oct. 15, 2012.

An ambulance transfers Malala Yousafzai upon her arrival in Birmingham, central England on October 15, 2012.

Malala Yousufzai is brought out of a hospital on a stretcher in Rawalpindi before being flown to the United Kingdom for medical treatment.

Nepalese students take part in a candlelight vigil to express their support for Malala Yousafzai, depicted in photograph at left, in Katmandu, Nepal, October 15, 2012.

Pakistani students sing as they hold pictures of Malala Yousufzai during a tribute at the Pakistani Embassy in Abu Dhabi, United Arab Emirates, October 15, 2012.

Pakistani schoolgirls pray for the recovery of Malala Yousufzai at their school yard in Gujranwala, Pakistan, October 15, 2012.

A supporter of Pakistani political party Muttahida Qaumi Movement (MQM), reacts while holding a poster of  Malala Yousufzai during a rally to condemn the attack in Karachi, Pakistan, October 14, 2012.

Supporters of Pakistani political party Muttahida Qaumi Movement (MQM), attend a rally to condemn the attack on Malala Yousufzai, Karachi, Pakistan, October 14, 2012.

Pakistani Christians pray for the recovery of Malala Yousufzai at the Sacred Heart Cathedral Church in Lahore, Pakistan, October 14, 2012.

Women supporters of Pakistan Sunni Tehreek protest to condemn the attack on Malala Yousufzai, Islamabad, Pakistan, October 14, 2012.

Pakistani students pray for the recovery of Malala Yousafzai, who was shot by the Taliban for speaking out in support of education for women, in Peshawar, Pakistan, October 12, 2012.

Teachers recite verses from the Koran as they pray for the recovery of Malala Yousufzai, Peshawar, Pakistan, October 12, 2012.

Pakistani girls display a poster while sitting at their desk, as their teacher, not shown, talks to them about  Malala Yousafzai, Islamabad, Pakistan, October 12, 2012.

Pakistani worshippers pray for the recovery of Malala Yousafzai during Friday prayers in a Mosque in Karachi, Pakistan, October 12, 2012.

Women hold candles during a rally condemning the attack on Malala Yousafzai, Karachi, Pakistan, October 11, 2012.

A student holds a placard with a picture of schoolgirl Malala Yousufzai.