US President Joe Biden said Wednesday that it was unlikely that the missile that hit Poland was fired from Russia.

Biden pledged, after a meeting with the leaders of his ally countries on the sidelines of the G20 summit in Bali, to provide all support to the Polish authorities.

Also Read: 'No concrete evidence' on who fired missile: Polish President

Earlier, Polish President Andrzej Duda said that there was “no concrete evidence” on who launched the missile that killed two people in a Polish town earlier Tuesday.

Duda added at a press conference in Warsaw, that they do not currently have evidence of the identity of who launched the missile.

Polish media earlier reported that two people were killed in an explosion at a farm building in the village of Przewodow near the border.

There was no official explanation of what may have caused the blast.