Thiruvananthapuram: in the wake of rising coronavirus cases and high test positivity rates in Kerala, the state government has decided to implement a triple lockdown in 4 districts namely Thiruvananthapuram, Thrissur, Ernakulam and Malappuram. The government also announced that the existing one-week lockdown which was supposed to end on May 16 will be extended till May 23. In the last 24 hours, Kerala logged 34,694 fresh COVID-19 cases, taking the overall tally to 20,55,528 while 93 deaths pushed the toll to 6,243. A three-layered targeted strategy to contain the spread of coronavirus is known as triple lockdown. Areas under triple lockdown witness motorcycle patrols by policemen, aerial surveillance. Besides, with the consent of people residing in containment zones, police also develop a mobile app to keep an eye on their movements using geo-location. Under lock I, the authorities restrict the movement of people, vehicles in the Corporation limit. However, they allow grocery, vegetable stores and medical shops to operate. People can call on helpline numbers for doorstep delivery of essential items. Those stepping out for essential reasons are advised to carry signed declaration forms explaining why they are outside. After verifying the documents, police officers will allow them to step out. Criminal cases and fines will be imposed on violators. Lock II is implemented on the specific geographical areas called clusters, where contacts of COVID positive patients are staying in quarantine. Under this, authorities warned of action against those who venture out unnecessarily. Under Lock III houses of infected persons are watched thoroughly. Officials ensure that infected persons and their family members do not step out as they are at greater risk of spreading the virus to a large number of people. The ‘triple lockdown’ strategy was first implemented successfully in Kasaragod district in April 2020. It had helped in slowing down the active cases in the district by 94% within three weeks. PM Modi concerned over quick virus spread in rural areas, Govt working on war footing mode Maharashtra Vaccine shot: 3.41 lakh people vaccinated in a day, Check updates inside Tamil Nadu gets first medical oxygen express train from West Bengal