A piece of debris from Columbia dropped into this yard in Alto, Texas, on Saturday.
— Reuters

A police officer (L) and a National Guard soldier stand watch on Sunday near a parking lot where a piece of the space shuttle fell. — Reuters

NASA Administrator Sean O'Keefe (C) and Bill Readdy (2nd-L), Associate Administrator for Space Flight and former astronaut, take part in their first formal briefing at the agency's Situation Room at NASA Headquarters in Washington on Sunday. For much of Saturday, O'Keefe and Readdy were managing NASA's emergency response from the Kennedy Space Center in Florida, where they were originally expecting to greet the returning STS-107 crew. — Reuters

Sanjay Chawla (L), brother of Indian-born astronaut Kalpana Chawla, meets the media outside his home in New Delhi on Sunday, while other family members look on. Sanjay told reporters that he first learnt of the tragedy in a mobile text message from his wife, who was with family members in the USA to watch the shuttle landing on Saturday. — Reuters

Sanjay Chawla, brother of Kalpana Chawla, with relatives at his residence in New Delhi on Sunday. —PTI

Two students of Tagore Niketan School of Karnal, Kalpana's alma mater, who had visited Kalpana at Houston, USA, stand in front of her picture during a prayer meeting in Karnal on Sunday. — PTI

Teachers of Tagore School mourn Kalpana's death during a prayer meeting in Karnal, Haryana, on Sunday. — Reuters

People attend a prayer meeting for Kalpana Chawla in Karnal on Sunday. — Reuters

Vijay Sethia, a relative of Kalpana Chawla, stands outside her family home in Karnal. — Reuters

Space shuttle Columbia astronaut Kalpana Chawla smiles as crewmembers of mission STS-87 greeted family and friends at the launch pad at Kennedy Space Center on November 18, 1997. — Reuters