Latest: Officers killed in Belgium shooting were women, one a mother of twins

Latest:The motive of the attacker who left three people dead in Liege was to target the police, the Belgian city's police chief has said.

Update 6.28pm: State broadcaster RTBF has identified the suspect as Benjamin Herman.

Herman, a Belgian national born in 1982, had a criminal record that included theft, assault and drug offences, RTBF reported.