At least 18 000 people have been arrested for violating Covid-19 lockdown regulations in KwaZulu-Natal since 27 March, provincial police commissioner Lieutenant General Khombinkosi Jula says."Since the inception of lockdown we have 18 000 people arrested. Of those cases, 11 000 are ready to be taken before court," he told a small group of journalists in Thursday.Jula was in Pietermaritzburg conducting roadblocks with the army, the Road Traffic Inspectorate and police after receiving a high volume of complaints about the city. "We are here because there are a number of complaints of non-compliance."WATCH: KZN provincial commissioner Lt-Gen Khombinkosi Jula says they have arrested 18 000 since lockdown began with 11 000 of those cases ready to go to court. @News24 @TeamNews24 #Level4Restrictions pic.twitter.com/KpnXi1L48E— Kaveel Singh (@kaveels) May 7, 2020He said police had thus far set up 2 712 roadblocks and searched 250 000 people in the province. "Our operations are hugely successful so far and we will continue to hold them. These operations are held at a times when no one expects it."He added about Pietermaritzburg: "While the majority of people are complying, but we have been receiving complaints that there are individuals carrying on like it is business as usual."Pietermaritzburg has third most Covid-19 cases in KZN Jula also confirmed that a large number of cases had emerged in Pietermaritzburg in recent weeks.KZN provincial authorities have now moved to Chota Motala Road in PMB where some have been arrested for #Level4Restrictions @News24 @TeamNews24 pic.twitter.com/79y7J8b99R— Kaveel Singh (@kaveels) May 7, 2020"This area [the Umgungundlovu District has] the third highest instance of cases in the province in terms of infections behind eThekwini and iLembe."He said they had begun Thursday's operation in the early hours of the morning.READ | No exercising or shopping without a mask"We have assembled a multi-disciplinary team since 05:00 and stopped 854 vehicles. Roads that have been plagued with non-compliance is where we are targeting."He said they were also able to screen 75 people. "We are also checking if those passing through roadblocks have permits."LIST | You could be slapped with a R5 000 fine for breaking these lockdown rulesJula said that, of the 854 vehicles stopped, three were arrested for possession of illicit cigarettes.Lots of presence from authorities in PMB today. There has been a high level of non-compliance. Drivers have already infringed with at least two having their vehicles impounded. @News24 @TeamNews24 #Level4Lockdown pic.twitter.com/CpnnCBV7z5— Kaveel Singh (@kaveels) May 7, 2020"We also had 10 vehicles that were not roadworthy. We also arrested some people who failed to confine themselves because they could not give reasons for why they left their homes."Big crowds Since the Level 4 lockdown commenced on 1 May, Pietermartizburg has seen an influx of traffic and movement of people. This peaked between Monday and Wednesday, with pension payouts bringing thousands into the cramped CBD. Photographs and videos circulated during the week showing large crowds moving about on some roads.