India, Feb. 22 -- One person died while two municipal police officials were left critically injured after a brutal knife attack took place during a demonstration in France's Mulhouse on Saturday, the local prosecutor said.

Two other police officials were lightly wounded in the violent incident that occurred around 4:00 pm local time (1500 GMT). The attack is being treated as a possible terror attack, AFP reported.

According to local prosecutor Nicolas Heitz, the attack was carried out by a 37-year-old man, who is on a terror prevention watchlist.

The list, called FSPRT, compiles data from various authorities on individuals to prevent "terrorist" radicalisation. It was launched in 2015 following deadly attacks on satirical magazine Char...