Shark Tank contestant arrested in London after Thames rescue

A former 'Shark Tank Colombia' contestant wanted in connection with the alleged poisoning deaths of two teenage girls in Bogotá was arrested in London after being pulled from the Thames and is being held pending extradition to Colombia.

Authorities in London arrested Zulma Guzman Castro, a 54-year-old former 'Shark Tank Colombia' contestant, after she was rescued from the River Thames in mid-December. Colombian officials have sought her in connection with the April deaths of two teenage girls in Bogotá that are reported as linked to poisoned fruit sent to a household. She was treated in a psychiatric facility after the river incident. UK authorities say she is being held while extradition to Colombia is arranged. Known details: - Zulma Guzman Castro, 54, is identified by officials as the suspect and previously appeared on Colombia's version of 'Shark Tank.' - She was pulled from the River Thames near Battersea Bridge on Dec. 16 and later detained in London. - Colombian authorities report that two teenage girls died in April in Bogotá after consuming fruit that officials say had been poisoned; other family members were also reported harmed. - UK authorities are holding Castro pending extradition to Colombia. Summary: The arrest connects an alleged poisoning in Bogotá that resulted in the deaths of two teenagers with a suspect who later traveled to the UK. She is in UK custody and is being held pending extradition; the timing of any extradition proceedings is undetermined at this time.