Five masked youths barged into the local BJP office on the Chandigarh-Ambala national highway in Zirakpur and vandalised it by throwing black ink before fleeing the scene this afternoon.As the situation grew tense, police reached the spot and began investigating.The five youths, with their faces covered, came to the BJP office on foot this afternoon. As soon as they entered, they threw black ink on banners of BJP leaders and fled.Local BJP leader Gurdarshan Singh Saini was not in the office when the incident took place. Saini had opened the office a few days ago ahead of the Municipal Corporation election, and it was inaugurated by Punjab BJP state president Ashwani Sharma.As news spread, BJP leaders Saini, Harjit Singh Minta, Harpreet Singh Tinku, Mukesh Gandhi, and others reached the scene and raised slogans against the Punjab government.Saini later alleged that law and order had collapsed under the AAP government and miscreants were carrying out such acts by entering the BJP office and indulging in hooliganism in broad daylight.“The government and the opposition are panicking after seeing the growing popularity of BJP in Punjab and especially in this constituency,” he alleged.The entire incident was captured by the CCTV cameras installed in the office.Zirakpur ASP Ghazalpreet Kaur said the case is under investigation and the culprits will be caught soon.