MH17 crash site

A local resident walks past debris at the site where Malaysia Airlines flight MH17 crashed, near Petropavlovka village in the Donetsk region July 23, 2014. REUTERS/Maxim Zmeyev

A piece of the wreckage is seen at a crash site of the Malaysia Airlines Flight MH17 in the village of Petropavlovka, Donetsk region July 24, 2014. REUTERS/Maxim Zmeyev

A piece of the wreckage is seen at a crash site of the Malaysia Airlines Flight MH17 near the village of Petropavlovka, Donetsk region July 24, 2014. REUTERS/Maxim Zmeyev

People walk near the wreckage of the Malaysia Airlines MH17 that crashed last Thursday, near Hrabove (Grabovo) in the Donetsk region July 23, 2014. REUTERS/Maxim Zmeyev

Flowers are pictured near debris at the site of Thursday's Malaysia Airlines Boeing 777 plane crash, near Petropavlovka village in the Donetsk region July 23, 2014. REUTERS/Maxim Zmeyev

Debris is pictured at the site where Malaysia Airlines flight MH17 crashed, near Petropavlivka village in the Donetsk region July 23, 2014. REUTERS/Maxim Zmeyev

Malaysian air crash investigators take photos of the crash site of Malaysia Airlines Flight MH17, near the village of Hrabove (Grabovo), Donetsk region July 22, 2014. Almost 300 people were killed when the Malaysian airliner went down last Thursday....more

An armed pro-Russian separatist stands guard as monitors from the Organization for Security and Cooperation in Europe (OSCE) and a team of Malaysian air crash investigators inspect the crash site of Malaysia Airlines Flight MH17, near the village of...more

A Malaysian expert (L) examines a black box belonging to Malaysia Airlines flight MH17 during its handover from pro-Russian separatists, in Donetsk July 22, 2014. REUTERS/Maxim Zmeyev

A part of the wreckage is seen at the crash site of the Malaysia Airlines Flight MH17 near the village of Hrabove (Grabovo), in the Donetsk region July 21, 2014. REUTERS/Maxim Zmeyev

Members of the Ukrainian Emergencies Ministry work at the crash site of Malaysia Airlines Flight MH17 near the village of Hrabove (Grabovo), Donetsk region July 21, 2014. REUTERS/Maxim Zmeyev

Members of the Ukrainian Emergencies Ministry gather and place bodies at the crash site of Malaysia Airlines Flight MH17, near the village of Hrabove, Donetsk region, July 20, 2014. REUTERS/Maxim Zmeyev

Belongings found at the crash site of Malaysia Airlines Flight MH17 are pictured near the village of Hrabove, Donetsk region, July 20, 2014. REUTERS/Maxim Zmeyev

A part of the wreckage of Malaysia Airlines Flight MH17 is seen at its crash site, near the village of Hrabove, Donetsk region, July 20, 2014. REUTERS/Maxim Zmeyev

A rescue worker walks across a field carrying a flight data recorder at the crash site of Malaysia Airlines Flight MH17 in Hrabove July 18, 2014 in this still image taken from video. REUTERS/Reuters TV

Flowers and mementos left by local residents at the crash site of Malaysia Airlines Flight MH17 are pictured near the settlement of Rozspyne in the Donetsk region July 19, 2014. REUTERS/Maxim Zmeyev

A member of the Ukrainian Emergencies Ministry walks past wreckage of Malaysia Airlines Flight MH17, near the village of Hrabove, in the Donetsk region July 20, 2014. REUTERS/Maxim Zmeyev

Members of the Ukrainian Emergency Ministry carry a body at the crash site of Malaysia Airlines Flight MH17, near the settlement of Grabovo in the Donetsk region July 19, 2014. REUTERS/Maxim Zmeyev

Members of the Ukrainian Emergency Ministry carry a body at the crash site of Malaysia Airlines Flight MH17, near the settlement of Grabovo in the Donetsk region July 19, 2014. REUTERS/Maxim Zmeyev

Debris from a Malaysian Airlines Boeing 777 that crashed on Thursday lies on the ground near the village of Rozsypne in the Donetsk region July 18, 2014. REUTERS/Maxim Zmeyev

A pro-Russian separatist holds a stuffed toy found at the crash site of Malaysia Airlines flight MH17, near the settlement of Grabovo in the Donetsk region, July 18, 2014. REUTERS/Maxim Zmeyev

A body part is pictured in a field as pro-Russian separatists and Organisation for Security and Cooperation in Europe (OSCE) monitors arrive at the crash site of Malaysia Airlines flight MH17, near the settlement of Grabovo in the Donetsk region,...more

An Emergencies Ministry member walks at a site of a Malaysia Airlines Boeing 777 plane crash near the settlement of Grabovo in the Donetsk region, July 17, 2014. REUTERS/Maxim Zmeyev

An armed pro-Russian separatist takes pictures at the site of a Malaysia Airlines Boeing 777 plane crash near the settlement of Grabovo in the Donetsk region, July 17, 2014. REUTERS/Maxim Zmeyev

Flowers lie on debris from a Malaysian Airlines Boeing 777 plane which was downed on Thursday near the village of Rozsypne, in the Donetsk region July 18, 2014. REUTERS/Maxim Zmeyev

Debris is pictured at the site of Thursday's Malaysia Airlines Boeing 777 plane crash, near the village of Grabovo in the Donetsk region July 18, 2014. REUTERS/Maxim Zmeyev

A pro-Russian separatist looks at wreckage from the nose section of a Malaysia Airlines Boeing 777 plane which was downed near the village of Rozsypne, in the Donetsk region July 18, 2014. REUTERS/Maxim Zmeyev

An armed pro-Russian separatist stands on part of the wreckage of the Malaysia Airlines Boeing 777 plane after it crashed near the settlement of Grabovo in the Donetsk region, July 17, 2014. REUTERS/Maxim Zmeyev

A journalist takes photographs at the site of Thursday's Malaysia Airlines Boeing 777 plane crash near the settlement of Grabovo, in the Donetsk region July 18, 2014. REUTERS/Maxim Zmeyev

An armed pro-Russian separatist stands at the site of a Malaysia Airlines Boeing 777 plane crash in the settlement of Grabovo in the Donetsk region, July 17, 2014. REUTERS/Maxim Zmeyev