BOGOTA—Colombia’s capital will enter a strict quarantine until Tuesday due to rising coronavirus infection numbers and suspicions a new variant of the virus is circulating, Mayor of Bogota Claudia Lopez said on Thursday. Strict quarantines were imposed on three Bogota neighborhoods this week to control rising infections, which Lopez said could be caused by a new variant of the virus first identified in the United Kingdom. People throughout the capital will be largely confined to their homes from midnight on Thursday until four o’clock in the morning on Tuesday, said Lopez, declaring a red alert in the city. Non-essential shops and businesses will be closed and one person per household will be allowed to buy food or medicine. Curfews lasting from 8 p.m. to 4 a.m. will then run until Jan. 17. “We are confronting a new strain of COVID which is very possibly already circulating in Bogota,” Lopez told …