Police officers in Beijing will be better protected following an attack earlier this month that left a policeman hospitalized with a stab wound to the neck, the city's police authority has pledged.

Beijing Municipal Public Security Bureau made a statement on Thursday, saying it will safeguard officers' rights while they are performing their duties.

It follows the attack on March 4 that the bureau describes as the most violent on an officer?in recent history.

Chen Jia, a policeman in the city's Haidian district, was injured by an unlicensed fruit vendor while seizing the latter's van and removing it from the road.

According to the bureau, 109 cases involving infringement of officer's rights and 49 injuries have been reported since the beginning of this year. In relation to these cases, 120 perpetrators have been detained.