Asean Specialised Meteorological Centre said it had activated Alert Level 3 for the Southern Asean region"– the highest rung of a four-tiered alert system.KUALA LUMPUR: Fires in Indonesia that have sent toxic smoke and disrupted daily life across Southeast Asia have triggered the highest-level alert by the regional bloc's meteorological monitor.

The months-long pollution spell has closed schools, fuelled a surge in respiratory conditions and restricted outdoor activities in Indonesia, Malaysia, Singapore and East Timor.

"This thing needs to stop," Zul Hafiz, a 39-year-old teacher cycling from the Malaysian city of Shah Alam to the capital, told AFP on Saturday, calling on the Association of Southeast Asian Nations (Asean) to take action.