The Russian Space Agency says a Proton M rocket carrier has crashed over the east of Russia, just minutes after being launched from Kazakhstan. <br /><br /> The Mexican satellite it was transporting is missing, presumed lost.<br /><br /> Russian news agencies say the third stage of the rocket malfunctioned some 500 seconds after take-off and came down in the Chita region of Siberia.<br /><br /> It was carrying a telecommunications satellite – manufactured by Boeing on behalf of the Mexican government – which was supposed to have been launched into orbit. There are now fears hazardous chemicals from the failed launch may have leaked into the atmosphere. An investigation is underway.<br /><br /> It is the second space-related problem in 24 hours. A Progress M-26M spaceship, which is docked at the International Space Station, has “failed to ignite its engines and correct the orbit of the space outpost,” Russian media reports.<br /><br /> Earlier in May, 2015, an unmanned Russian supply spacecraft experienced difficulties and plunged back
