* Aeroflot plane makes emergency landing in Moscow

* Rear of aircraft consumed by flames during landing

* At least 13 dead, including two children – investigators

* Putin expresses condolences (Updates with new details, context)

By Maria Tsvetkova and Andrew Osborn

MOSCOW, May 5 (Reuters) – Thirteen people on board a Russian Aeroflot passenger plane were killed on Sunday, including two children, after the aircraft caught fire as it made a bumpy emergency landing at a Moscow airport, Russian investigators said.

Television footage showed the Sukhoi Superjet 100 crash bouncing along the tarmac at Moscow’s Sheremetyevo airport before the rear part of the plane suddenly bursts into flames.

Many passengers on board SU 1492 then escaped via the plane’s emergency slides that inflated after