The Iranian woman suspected of involvement in the series of bomb explosions in Bangkok on Tuesday is now in Iran and Thailand has no extradition treaty with the country, Immigration Police Commissioner Pol Lt Gen Wiboon Bangtamai said today.

Leila Rohani is the fourth Iranian wanted for the blast. She is suspected of arranging to rent the Sukhumvit Soi 71 home where the three other Iranian suspects stayed and where the first explosive device exploded, apparently by accident.

Read more: The Nation