By Sakshi Dayal, Allison Lampert and David Shepardson NEW DELHI/WASHINGTON (Reuters) -Investigators have downloaded flight recorder data from an Air India crash this month that killed 260 people, India's civil aviation ministry said on Thursday,

Investigators have begun analyzing data from the black boxes recovered from the Air India Boeing 787 jet that crashed earlier this month, killing 270 people.

India would not allow a UN investigator to join a probe of a crashed Air India jet that some safety experts had criticized for delays in analysis of crucial black box data, two senior sources familiar with the matter told Reuters.