Emergency services received several calls after three small grass fires were found burning between the Burwood Highway and the railway line, approximately 250 metres west of Morris Road, shortly before 3.30pm.

CFA crews were able to quickly contain the fires, which have been deemed suspicious.

Railway services were disrupted for about 40 minutes and one city-bound lane of the Burwood Highway was closed.

Police will continue its regular fire patrols and encouraged people to report all suspicious activity.

Anyone who noticed any suspicious activity in area should contact Crime Stoppers on 1800 333 000 or visit www.crimestoppers.com.au.