Concern is growing after a fourth woman was sexually assaulted by a cyclist in Felixstowe.

The latest attack took place around 8.30pm last Thursday on Sea Road, which followed three similar incidents earlier this month.

A Suffolk police spokeswoman said two women were walking along the promenade approaching the boating lake when one of the women had her buttock grabbed by a cyclist.

The cyclist is described as white, aged late 20s to early 30s, with stubble on his face, brown hair and of slim to medium build.

He was described as wearing dark clothing – a hooded top with the hood up and riding a dark coloured mountain bike.

Around 6.30pm on March 10, a 27-year-old woman was jogging in Grove Road when a cyclist grabbed her buttock as he cycled past.

Two days later in Sea Road, a 20-year-old woman was jogging around 7pm when a cyclist rode past and grabbed her buttock passed.

The cyclist then cycled back towards her and the victim went into the amusements.

And on March 24 around 6.35pm in Quilter Road, a 17-year-old victim was walking along when her buttock was grabbed by a cyclist as he cycled past.

Inspector Matt Dee, said: “We would appeal for anyone who has any information about any of these incidents to get in touch.

“Investigations continue and we have been carrying out reassurance patrols and house to house inquiries in the area - and CCTV footage is being reviewed.”

Anyone with information should call PC Gemma Spink on 101 quoting reference FE/15/468, or Crimestoppers anonymously on 0800 555 111.