Karnataka government today said the capital city Bengaluru will go under complete lockdown from tonight 8 pm till Monday morning, 5 am as the city witnessed a spike in novel coronavirus cases in the last few weeks.Bruhat Bengaluru Mahanagara Palike (BBMP) commissioner Anil Kumar said the instruction for lockdown in BBMP limits was issued by chief minister BS Yediyurappa, according to ANI reports.Kumar mentioned that only sale of essential items will be allowed during the 33-hour lockdown, including meat shops.He also said police action will be taken against people found roaming outside unnecessarily.Bengaluru on Friday witnessed 994 new Covid-19 cases in the 24-hour period, the city's biggest single-day spike so far.