Kerala blast LIVE updates: There has been a serial blast in the convention center in Kalamassery, Kerala, one person has died in the blasts, while 35 people have been injured.. The eyewitness present at the time of the incident said that more than one blast was heard, while Police said that the blast was caused by IED. Earlier news came that terrorists had used tiffin box for the blast. After the blasts, alert has been declared in Delhi and Mumbai. Alert continues regarding Mumbai World Cup...Delhi Police is in touch with intelligence agencies...Security has been increased in many churches in Delhi.