Worker hurt in British embassy blast
The device exploded in a post room at the site in Zagreb at around 6.30am BST, but a spokesman claimed the male employee had only "very minor" injuries.
Security has been stepped up at the site as a result of the blast, but embassy officials could not confirm if a specific threat had been received.
Ambassador Sir John Ramsden has gone to the scene as a joint investigation with local police is carried out.
Eyewitnesses said there was no visible damage to the embassy building, in a commercial area on the edge of downtown Zagreb.
Croatian policemen were this morning guarding the site and sniffer dogs were used as officers carried out searches of the premises.
A FCO spokeswoman said: "One person suffered minor injuries when an explosive device detonated in a post room.
"Their injuries are not thought to be life-threatening and an inquiry is under way."
In May, two home-made hand grenades were hurled at a building housing the British Consulate in New York, causing minor damage.
Officials there could not be clear whether the consulate itself had been targeted, but the strike came on the day of Britain's General Election.
- 1 Scarlett Johansson new band 'already hit with legal complaint' from another The Singles
- 2 Husband and wife die holding hands within hours of each other after 67 years of marriage
- 3 What color is The Dress, white and gold or blue and black? An eyewitness gives a definitive answer
- 4 The remarkable archaeological underwater discovery that could open up a new chapter in the study of European and British prehistory
- 5 'Jihadi John': CAGE representative storms off Sky News accusing Kay Burley of Islamophobia
Husband and wife die holding hands within hours of each other after 67 years of marriage
Mohammed Emwazi: Nine things we know about Isis militant 'Jihadi John'
What color is The Dress, white and gold or blue and black? An eyewitness gives a definitive answer
'Jihadi John': Mohammed Emwazi – from British computer programmer to Isis executioner
'Jihadi John': CAGE representative storms off Sky News accusing Kay Burley of Islamophobia
Oscars 2015: Birdman beats Boyhood as Eddie Redmayne and Patricia Arquette win big - as it happened
New theory could prove how life began and disprove God
Half of Ukip voters say they are prejudiced against people of other races
'Cash for access' scandal: Sir Malcolm Rifkind says 'unrealistic' for MPs to live on £67,000 salary
Aqsa Mahmood branded a 'disgrace' by her parents after claims she recruited three UK girls flying to Middle East
This is what it's like to be dead, according to a guy who died for a bit
£23000 - £27000 per annum: Recruitment Genius: Do you want to work for a Compa...
£18000 - £22000 per annum: Recruitment Genius: Do you want to work for a Compa...
Negotiable: Recruitment Genius: This is an opportunity to join an innovative a...
Negotiable: Recruitment Genius: A Production Technician is required to join a ...