Costa Coffee ‘grenade plot’

A would-be bomber tried to buy a hand grenade from an undercover detective in Costa Coffee to blow up a police station, a court heard. Mohammed Chowdhury, 24, wanted to to throw the explosive device at Bethnal Green police station in east London, it was said He began speaking to the officer, known as ‘Gary,’ on social media app Signal last January asking him if he had any ‘merch’ to sell, jurors heard. Under the username ‘Buyer,’ Chowdhury told Gary…