Noida, May 3 -- A day after students were evacuated from their schools in Noida, Greater Noida, Delhi and Ghaziabad after these institutions received a bomb threat on email, which later turned out to be a hoax, they returned to schools on Thursday.

At least four schools in Noida and Greater Noida had to be evacuated after they allegedly received bomb threat over email on Wednesday morning, sending parents into a blind panic.

According to Noida commissioner of police Laxmi Singh, the schools that received the email include DPS Noida in Sector 30, DPS in Sector 122, DPS in Knowledge Park 5, Greater Noida, and Aster Public School in Sector 3, Greater Noida West.

At DPS Noida in Sector 30, school officials said the attendance dipped by 10%...