BERLIN, Sept. 1 (Xinhua) -- At least ten people were injured in an explosion and a subsequent major fire on an oil refinery site on Saturday in Bavarian town of Vohburg in Germany, local media reported.

According to the German Press Agency (DPA), about 2,000 residents were evacuated temporarily due to heavy smoke on Saturday. Air test later showed it was safe to return to their homes.

German media, the DW, reported that four people were severely injured.

The explosion took place in the site of the Bayernoil company early Saturday morning and the cause remains unclear. The DW quoted local authorities as saying the destruction was terrifying.